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Finding the Fourth Proportional to 83,520,545.60, 117,048,203.20 and 83,520,545.60

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Solution

The fourth proportional to 83,520,545.60, 117,048,203.20 and 83,520,545.60 is: 117,048,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,520,545.60 : 117,048,203.20 = 83,520,545.60 : x
  2. Step 2: Convert to fraction form
    83,520,545.60/117,048,203.20 = 83,520,545.60/x
  3. Step 3: Cross multiply
    83,520,545.60x = 117,048,203.20 × 83,520,545.60
  4. Step 4: Simplify right side
    83,520,545.60x = 9,775,929,792,763,666
  5. Step 5: Solve for x
    x = 9,775,929,792,763,666/83,520,545.60
  6. Step 6: Final answer
    x = 117,048,203.20

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1.5x scale

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.