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Finding the Fourth Proportional to 127,752.58, 176,259.54 and 74,027.23

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Solution

The fourth proportional to 127,752.58, 176,259.54 and 74,027.23 is: 102,134.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,752.58 : 176,259.54 = 74,027.23 : x
  2. Step 2: Convert to fraction form
    127,752.58/176,259.54 = 74,027.23/x
  3. Step 3: Cross multiply
    127,752.58x = 176,259.54 × 74,027.23
  4. Step 4: Simplify right side
    127,752.58x = 13,048,005,507.27
  5. Step 5: Solve for x
    x = 13,048,005,507.27/127,752.58
  6. Step 6: Final answer
    x = 102,134.97

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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.