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Finding the Fourth Proportional to 88,808.40, 133,219.36 and 29,643.92

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Solution

The fourth proportional to 88,808.40, 133,219.36 and 29,643.92 is: 44,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,808.40 : 133,219.36 = 29,643.92 : x
  2. Step 2: Convert to fraction form
    88,808.40/133,219.36 = 29,643.92/x
  3. Step 3: Cross multiply
    88,808.40x = 133,219.36 × 29,643.92
  4. Step 4: Simplify right side
    88,808.40x = 3,949,144,050.29
  5. Step 5: Solve for x
    x = 3,949,144,050.29/88,808.40
  6. Step 6: Final answer
    x = 44,468.14

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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.