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Finding the Fourth Proportional to 288,349.66, 432,392.73 and 88,600.42

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Solution

The fourth proportional to 288,349.66, 432,392.73 and 88,600.42 is: 132,860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,349.66 : 432,392.73 = 88,600.42 : x
  2. Step 2: Convert to fraction form
    288,349.66/432,392.73 = 88,600.42/x
  3. Step 3: Cross multiply
    288,349.66x = 432,392.73 × 88,600.42
  4. Step 4: Simplify right side
    288,349.66x = 38,310,177,482.95
  5. Step 5: Solve for x
    x = 38,310,177,482.95/288,349.66
  6. Step 6: Final answer
    x = 132,860.14

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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.