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Finding the Fourth Proportional to 170,683.10, 256,030.13 and 58,358.78

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Solution

The fourth proportional to 170,683.10, 256,030.13 and 58,358.78 is: 87,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,683.10 : 256,030.13 = 58,358.78 : x
  2. Step 2: Convert to fraction form
    170,683.10/256,030.13 = 58,358.78/x
  3. Step 3: Cross multiply
    170,683.10x = 256,030.13 × 58,358.78
  4. Step 4: Simplify right side
    170,683.10x = 14,941,605,855.90
  5. Step 5: Solve for x
    x = 14,941,605,855.90/170,683.10
  6. Step 6: Final answer
    x = 87,540.04

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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.