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Finding the Fourth Proportional to 127,752.59, 176,259.54 and 74,027.22

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Solution

The fourth proportional to 127,752.59, 176,259.54 and 74,027.22 is: 102,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,752.59 : 176,259.54 = 74,027.22 : x
  2. Step 2: Convert to fraction form
    127,752.59/176,259.54 = 74,027.22/x
  3. Step 3: Cross multiply
    127,752.59x = 176,259.54 × 74,027.22
  4. Step 4: Simplify right side
    127,752.59x = 13,048,003,744.68
  5. Step 5: Solve for x
    x = 13,048,003,744.68/127,752.59
  6. Step 6: Final answer
    x = 102,134.95

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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.