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Finding the Fourth Proportional to 59,389,929.80, 89,084,894.70 and 55,085,257.70

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Solution

The fourth proportional to 59,389,929.80, 89,084,894.70 and 55,085,257.70 is: 82,627,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,389,929.80 : 89,084,894.70 = 55,085,257.70 : x
  2. Step 2: Convert to fraction form
    59,389,929.80/89,084,894.70 = 55,085,257.70/x
  3. Step 3: Cross multiply
    59,389,929.80x = 89,084,894.70 × 55,085,257.70
  4. Step 4: Simplify right side
    59,389,929.80x = 4,907,264,381,726,865
  5. Step 5: Solve for x
    x = 4,907,264,381,726,865/59,389,929.80
  6. Step 6: Final answer
    x = 82,627,886.55

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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.