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Finding the Fourth Proportional to 64,664,572.70, 96,996,859.05 and 26,306,342.30

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Solution

The fourth proportional to 64,664,572.70, 96,996,859.05 and 26,306,342.30 is: 39,459,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,664,572.70 : 96,996,859.05 = 26,306,342.30 : x
  2. Step 2: Convert to fraction form
    64,664,572.70/96,996,859.05 = 26,306,342.30/x
  3. Step 3: Cross multiply
    64,664,572.70x = 96,996,859.05 × 26,306,342.30
  4. Step 4: Simplify right side
    64,664,572.70x = 2,551,632,576,194,153
  5. Step 5: Solve for x
    x = 2,551,632,576,194,153/64,664,572.70
  6. Step 6: Final answer
    x = 39,459,513.45

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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.