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Finding the Fourth Proportional to 150,279.71, 225,434.59 and 55,534.76

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Solution

The fourth proportional to 150,279.71, 225,434.59 and 55,534.76 is: 83,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,279.71 : 225,434.59 = 55,534.76 : x
  2. Step 2: Convert to fraction form
    150,279.71/225,434.59 = 55,534.76/x
  3. Step 3: Cross multiply
    150,279.71x = 225,434.59 × 55,534.76
  4. Step 4: Simplify right side
    150,279.71x = 12,519,457,011.17
  5. Step 5: Solve for x
    x = 12,519,457,011.17/150,279.71
  6. Step 6: Final answer
    x = 83,307.70

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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.