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Finding the Fourth Proportional to 106,188.64, 159,308.88 and 32,316.64

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Solution

The fourth proportional to 106,188.64, 159,308.88 and 32,316.64 is: 48,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,188.64 : 159,308.88 = 32,316.64 : x
  2. Step 2: Convert to fraction form
    106,188.64/159,308.88 = 32,316.64/x
  3. Step 3: Cross multiply
    106,188.64x = 159,308.88 × 32,316.64
  4. Step 4: Simplify right side
    106,188.64x = 5,148,327,723.76
  5. Step 5: Solve for x
    x = 5,148,327,723.76/106,188.64
  6. Step 6: Final answer
    x = 48,482.85

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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.