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Finding the Fourth Proportional to 100,908,502.20, 141,654,540.60 and 100,908,502.20

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Solution

The fourth proportional to 100,908,502.20, 141,654,540.60 and 100,908,502.20 is: 141,654,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,908,502.20 : 141,654,540.60 = 100,908,502.20 : x
  2. Step 2: Convert to fraction form
    100,908,502.20/141,654,540.60 = 100,908,502.20/x
  3. Step 3: Cross multiply
    100,908,502.20x = 141,654,540.60 × 100,908,502.20
  4. Step 4: Simplify right side
    100,908,502.20x = 14,294,147,521,775,090
  5. Step 5: Solve for x
    x = 14,294,147,521,775,090/100,908,502.20
  6. Step 6: Final answer
    x = 141,654,540.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.