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Finding the Fourth Proportional to 99,816,500.80, 149,472,808.80 and 65,552,334.40

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Solution

The fourth proportional to 99,816,500.80, 149,472,808.80 and 65,552,334.40 is: 98,163,043.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,816,500.80 : 149,472,808.80 = 65,552,334.40 : x
  2. Step 2: Convert to fraction form
    99,816,500.80/149,472,808.80 = 65,552,334.40/x
  3. Step 3: Cross multiply
    99,816,500.80x = 149,472,808.80 × 65,552,334.40
  4. Step 4: Simplify right side
    99,816,500.80x = 9,798,291,546,164,864
  5. Step 5: Solve for x
    x = 9,798,291,546,164,864/99,816,500.80
  6. Step 6: Final answer
    x = 98,163,043.86

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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.