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Finding the Fourth Proportional to 101,966,342.72, 152,801,147.84 and 63,021,646.40

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Solution

The fourth proportional to 101,966,342.72, 152,801,147.84 and 63,021,646.40 is: 94,440,769.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,966,342.72 : 152,801,147.84 = 63,021,646.40 : x
  2. Step 2: Convert to fraction form
    101,966,342.72/152,801,147.84 = 63,021,646.40/x
  3. Step 3: Cross multiply
    101,966,342.72x = 152,801,147.84 × 63,021,646.40
  4. Step 4: Simplify right side
    101,966,342.72x = 9,629,779,908,686,604
  5. Step 5: Solve for x
    x = 9,629,779,908,686,604/101,966,342.72
  6. Step 6: Final answer
    x = 94,440,769.88

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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.