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Finding the Fourth Proportional to 65,779,157.90, 98,628,781.90 and 32,951,549.12

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Solution

The fourth proportional to 65,779,157.90, 98,628,781.90 and 32,951,549.12 is: 49,407,308.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,779,157.90 : 98,628,781.90 = 32,951,549.12 : x
  2. Step 2: Convert to fraction form
    65,779,157.90/98,628,781.90 = 32,951,549.12/x
  3. Step 3: Cross multiply
    65,779,157.90x = 98,628,781.90 × 32,951,549.12
  4. Step 4: Simplify right side
    65,779,157.90x = 3,249,971,151,423,617
  5. Step 5: Solve for x
    x = 3,249,971,151,423,617/65,779,157.90
  6. Step 6: Final answer
    x = 49,407,308.56

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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.