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Finding the Fourth Proportional to 83,205,486.80, 124,584,281.40 and 83,205,486.80

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Solution

The fourth proportional to 83,205,486.80, 124,584,281.40 and 83,205,486.80 is: 124,584,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,205,486.80 : 124,584,281.40 = 83,205,486.80 : x
  2. Step 2: Convert to fraction form
    83,205,486.80/124,584,281.40 = 83,205,486.80/x
  3. Step 3: Cross multiply
    83,205,486.80x = 124,584,281.40 × 83,205,486.80
  4. Step 4: Simplify right side
    83,205,486.80x = 10,366,095,781,515,186
  5. Step 5: Solve for x
    x = 10,366,095,781,515,186/83,205,486.80
  6. Step 6: Final answer
    x = 124,584,281.40

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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.