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Finding the Fourth Proportional to 113,487.30, 170,230.95 and 101,045.70

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Solution

The fourth proportional to 113,487.30, 170,230.95 and 101,045.70 is: 151,568.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,487.30 : 170,230.95 = 101,045.70 : x
  2. Step 2: Convert to fraction form
    113,487.30/170,230.95 = 101,045.70/x
  3. Step 3: Cross multiply
    113,487.30x = 170,230.95 × 101,045.70
  4. Step 4: Simplify right side
    113,487.30x = 17,201,105,504.42
  5. Step 5: Solve for x
    x = 17,201,105,504.42/113,487.30
  6. Step 6: Final answer
    x = 151,568.55

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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.