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Finding the Fourth Proportional to 124,579,289.60, 186,868,934.40 and 124,579,289.60

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Solution

The fourth proportional to 124,579,289.60, 186,868,934.40 and 124,579,289.60 is: 186,868,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,579,289.60 : 186,868,934.40 = 124,579,289.60 : x
  2. Step 2: Convert to fraction form
    124,579,289.60/186,868,934.40 = 124,579,289.60/x
  3. Step 3: Cross multiply
    124,579,289.60x = 186,868,934.40 × 124,579,289.60
  4. Step 4: Simplify right side
    124,579,289.60x = 23,279,999,095,861,000
  5. Step 5: Solve for x
    x = 23,279,999,095,861,000/124,579,289.60
  6. Step 6: Final answer
    x = 186,868,934.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.