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Finding the Fourth Proportional to 73,488,981.60, 110,233,472.40 and 50,814,165.60

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Solution

The fourth proportional to 73,488,981.60, 110,233,472.40 and 50,814,165.60 is: 76,221,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,488,981.60 : 110,233,472.40 = 50,814,165.60 : x
  2. Step 2: Convert to fraction form
    73,488,981.60/110,233,472.40 = 50,814,165.60/x
  3. Step 3: Cross multiply
    73,488,981.60x = 110,233,472.40 × 50,814,165.60
  4. Step 4: Simplify right side
    73,488,981.60x = 5,601,421,921,196,630
  5. Step 5: Solve for x
    x = 5,601,421,921,196,630/73,488,981.60
  6. Step 6: Final answer
    x = 76,221,248.40

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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.