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Finding the Fourth Proportional to 105,659,411.70, 148,124,730.30 and 105,659,411.70

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Solution

The fourth proportional to 105,659,411.70, 148,124,730.30 and 105,659,411.70 is: 148,124,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,659,411.70 : 148,124,730.30 = 105,659,411.70 : x
  2. Step 2: Convert to fraction form
    105,659,411.70/148,124,730.30 = 105,659,411.70/x
  3. Step 3: Cross multiply
    105,659,411.70x = 148,124,730.30 × 105,659,411.70
  4. Step 4: Simplify right side
    105,659,411.70x = 15,650,771,861,719,166
  5. Step 5: Solve for x
    x = 15,650,771,861,719,166/105,659,411.70
  6. Step 6: Final answer
    x = 148,124,730.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.