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Finding the Fourth Proportional to 106,596,272.70, 159,894,409.05 and 98,943,522.30

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Solution

The fourth proportional to 106,596,272.70, 159,894,409.05 and 98,943,522.30 is: 148,415,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,596,272.70 : 159,894,409.05 = 98,943,522.30 : x
  2. Step 2: Convert to fraction form
    106,596,272.70/159,894,409.05 = 98,943,522.30/x
  3. Step 3: Cross multiply
    106,596,272.70x = 159,894,409.05 × 98,943,522.30
  4. Step 4: Simplify right side
    106,596,272.70x = 15,820,516,027,483,998
  5. Step 5: Solve for x
    x = 15,820,516,027,483,998/106,596,272.70
  6. Step 6: Final answer
    x = 148,415,283.45

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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.