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Finding the Fourth Proportional to 110,063,101.80, 165,094,652.70 and 84,632,471.40

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Solution

The fourth proportional to 110,063,101.80, 165,094,652.70 and 84,632,471.40 is: 126,948,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,063,101.80 : 165,094,652.70 = 84,632,471.40 : x
  2. Step 2: Convert to fraction form
    110,063,101.80/165,094,652.70 = 84,632,471.40/x
  3. Step 3: Cross multiply
    110,063,101.80x = 165,094,652.70 × 84,632,471.40
  4. Step 4: Simplify right side
    110,063,101.80x = 13,972,368,472,925,682
  5. Step 5: Solve for x
    x = 13,972,368,472,925,682/110,063,101.80
  6. Step 6: Final answer
    x = 126,948,707.10

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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.