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Finding the Fourth Proportional to 157,589.70, 236,384.55 and 155,256.90

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Solution

The fourth proportional to 157,589.70, 236,384.55 and 155,256.90 is: 232,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,589.70 : 236,384.55 = 155,256.90 : x
  2. Step 2: Convert to fraction form
    157,589.70/236,384.55 = 155,256.90/x
  3. Step 3: Cross multiply
    157,589.70x = 236,384.55 × 155,256.90
  4. Step 4: Simplify right side
    157,589.70x = 36,700,332,440.90
  5. Step 5: Solve for x
    x = 36,700,332,440.90/157,589.70
  6. Step 6: Final answer
    x = 232,885.35

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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.