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Finding the Fourth Proportional to 52,475,616.80, 78,746,602.80 and 30,910,176.80

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Solution

The fourth proportional to 52,475,616.80, 78,746,602.80 and 30,910,176.80 is: 46,384,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,475,616.80 : 78,746,602.80 = 30,910,176.80 : x
  2. Step 2: Convert to fraction form
    52,475,616.80/78,746,602.80 = 30,910,176.80/x
  3. Step 3: Cross multiply
    52,475,616.80x = 78,746,602.80 × 30,910,176.80
  4. Step 4: Simplify right side
    52,475,616.80x = 2,434,071,414,947,375
  5. Step 5: Solve for x
    x = 2,434,071,414,947,375/52,475,616.80
  6. Step 6: Final answer
    x = 46,384,808.10

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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.