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Finding the Fourth Proportional to 372,783.60, 559,248.30 and 159,551.10

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Solution

The fourth proportional to 372,783.60, 559,248.30 and 159,551.10 is: 239,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,783.60 : 559,248.30 = 159,551.10 : x
  2. Step 2: Convert to fraction form
    372,783.60/559,248.30 = 159,551.10/x
  3. Step 3: Cross multiply
    372,783.60x = 559,248.30 × 159,551.10
  4. Step 4: Simplify right side
    372,783.60x = 89,228,681,438.13
  5. Step 5: Solve for x
    x = 89,228,681,438.13/372,783.60
  6. Step 6: Final answer
    x = 239,357.85

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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.