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Finding the Fourth Proportional to 58,752,993.60, 88,129,490.40 and 18,363,412.80

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Solution

The fourth proportional to 58,752,993.60, 88,129,490.40 and 18,363,412.80 is: 27,545,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,752,993.60 : 88,129,490.40 = 18,363,412.80 : x
  2. Step 2: Convert to fraction form
    58,752,993.60/88,129,490.40 = 18,363,412.80/x
  3. Step 3: Cross multiply
    58,752,993.60x = 88,129,490.40 × 18,363,412.80
  4. Step 4: Simplify right side
    58,752,993.60x = 1,618,358,212,068,837.25
  5. Step 5: Solve for x
    x = 1,618,358,212,068,837.25/58,752,993.60
  6. Step 6: Final answer
    x = 27,545,119.20

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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.