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Finding the Fourth Proportional to 106,886.59, 160,335.05 and 28,000.89

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Solution

The fourth proportional to 106,886.59, 160,335.05 and 28,000.89 is: 42,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,886.59 : 160,335.05 = 28,000.89 : x
  2. Step 2: Convert to fraction form
    106,886.59/160,335.05 = 28,000.89/x
  3. Step 3: Cross multiply
    106,886.59x = 160,335.05 × 28,000.89
  4. Step 4: Simplify right side
    106,886.59x = 4,489,523,958.19
  5. Step 5: Solve for x
    x = 4,489,523,958.19/106,886.59
  6. Step 6: Final answer
    x = 42,002.69

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1.5x scale

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.