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Finding the Fourth Proportional to 83,207,302.80, 124,587,005.40 and 83,207,302.80

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Solution

The fourth proportional to 83,207,302.80, 124,587,005.40 and 83,207,302.80 is: 124,587,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,207,302.80 : 124,587,005.40 = 83,207,302.80 : x
  2. Step 2: Convert to fraction form
    83,207,302.80/124,587,005.40 = 83,207,302.80/x
  3. Step 3: Cross multiply
    83,207,302.80x = 124,587,005.40 × 83,207,302.80
  4. Step 4: Simplify right side
    83,207,302.80x = 10,366,548,683,263,036
  5. Step 5: Solve for x
    x = 10,366,548,683,263,036/83,207,302.80
  6. Step 6: Final answer
    x = 124,587,005.40

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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.