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Finding the Fourth Proportional to 163,924,593.60, 245,981,368.80 and 61,761,950.40

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Solution

The fourth proportional to 163,924,593.60, 245,981,368.80 and 61,761,950.40 is: 92,678,522.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,924,593.60 : 245,981,368.80 = 61,761,950.40 : x
  2. Step 2: Convert to fraction form
    163,924,593.60/245,981,368.80 = 61,761,950.40/x
  3. Step 3: Cross multiply
    163,924,593.60x = 245,981,368.80 × 61,761,950.40
  4. Step 4: Simplify right side
    163,924,593.60x = 15,192,289,099,149,708
  5. Step 5: Solve for x
    x = 15,192,289,099,149,708/163,924,593.60
  6. Step 6: Final answer
    x = 92,678,522.27

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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.