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Finding the Fourth Proportional to 99,192, 148,788.81 and 36,862.50

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Solution

The fourth proportional to 99,192, 148,788.81 and 36,862.50 is: 55,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,192 : 148,788.81 = 36,862.50 : x
  2. Step 2: Convert to fraction form
    99,192/148,788.81 = 36,862.50/x
  3. Step 3: Cross multiply
    99,192x = 148,788.81 × 36,862.50
  4. Step 4: Simplify right side
    99,192x = 5,484,727,508.63
  5. Step 5: Solve for x
    x = 5,484,727,508.63/99,192
  6. Step 6: Final answer
    x = 55,294.05

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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.