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Finding the Fourth Proportional to 107,841,856.90, 161,762,785.35 and 107,841,856.90

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Solution

The fourth proportional to 107,841,856.90, 161,762,785.35 and 107,841,856.90 is: 161,762,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,841,856.90 : 161,762,785.35 = 107,841,856.90 : x
  2. Step 2: Convert to fraction form
    107,841,856.90/161,762,785.35 = 107,841,856.90/x
  3. Step 3: Cross multiply
    107,841,856.90x = 161,762,785.35 × 107,841,856.90
  4. Step 4: Simplify right side
    107,841,856.90x = 17,444,799,149,460,116
  5. Step 5: Solve for x
    x = 17,444,799,149,460,116/107,841,856.90
  6. Step 6: Final answer
    x = 161,762,785.35

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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.