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Finding the Fourth Proportional to 99,267.40, 148,901.10 and 52,611.40

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Solution

The fourth proportional to 99,267.40, 148,901.10 and 52,611.40 is: 78,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,267.40 : 148,901.10 = 52,611.40 : x
  2. Step 2: Convert to fraction form
    99,267.40/148,901.10 = 52,611.40/x
  3. Step 3: Cross multiply
    99,267.40x = 148,901.10 × 52,611.40
  4. Step 4: Simplify right side
    99,267.40x = 7,833,895,332.54
  5. Step 5: Solve for x
    x = 7,833,895,332.54/99,267.40
  6. Step 6: Final answer
    x = 78,917.10

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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.