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Finding the Fourth Proportional to 110,256.59, 152,239.80 and 84,722.71

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Solution

The fourth proportional to 110,256.59, 152,239.80 and 84,722.71 is: 116,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,256.59 : 152,239.80 = 84,722.71 : x
  2. Step 2: Convert to fraction form
    110,256.59/152,239.80 = 84,722.71/x
  3. Step 3: Cross multiply
    110,256.59x = 152,239.80 × 84,722.71
  4. Step 4: Simplify right side
    110,256.59x = 12,898,168,425.86
  5. Step 5: Solve for x
    x = 12,898,168,425.86/110,256.59
  6. Step 6: Final answer
    x = 116,983.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.