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Finding the Fourth Proportional to 64,688,584.74, 97,034,386.26 and 21,561,294.66

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Solution

The fourth proportional to 64,688,584.74, 97,034,386.26 and 21,561,294.66 is: 32,342,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,688,584.74 : 97,034,386.26 = 21,561,294.66 : x
  2. Step 2: Convert to fraction form
    64,688,584.74/97,034,386.26 = 21,561,294.66/x
  3. Step 3: Cross multiply
    64,688,584.74x = 97,034,386.26 × 21,561,294.66
  4. Step 4: Simplify right side
    64,688,584.74x = 2,092,186,994,304,115.50
  5. Step 5: Solve for x
    x = 2,092,186,994,304,115.50/64,688,584.74
  6. Step 6: Final answer
    x = 32,342,445.00

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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.