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Finding the Fourth Proportional to 113,656.67, 170,478.80 and 34,770.89

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Solution

The fourth proportional to 113,656.67, 170,478.80 and 34,770.89 is: 52,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,656.67 : 170,478.80 = 34,770.89 : x
  2. Step 2: Convert to fraction form
    113,656.67/170,478.80 = 34,770.89/x
  3. Step 3: Cross multiply
    113,656.67x = 170,478.80 × 34,770.89
  4. Step 4: Simplify right side
    113,656.67x = 5,927,700,115.26
  5. Step 5: Solve for x
    x = 5,927,700,115.26/113,656.67
  6. Step 6: Final answer
    x = 52,154.44

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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.