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Finding the Fourth Proportional to 65,367,068.80, 97,838,026.80 and 50,911,873.60

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Solution

The fourth proportional to 65,367,068.80, 97,838,026.80 and 50,911,873.60 is: 76,202,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,367,068.80 : 97,838,026.80 = 50,911,873.60 : x
  2. Step 2: Convert to fraction form
    65,367,068.80/97,838,026.80 = 50,911,873.60/x
  3. Step 3: Cross multiply
    65,367,068.80x = 97,838,026.80 × 50,911,873.60
  4. Step 4: Simplify right side
    65,367,068.80x = 4,981,117,253,715,012
  5. Step 5: Solve for x
    x = 4,981,117,253,715,012/65,367,068.80
  6. Step 6: Final answer
    x = 76,202,242.89

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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.