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Finding the Fourth Proportional to 127,552.32, 176,027.52 and 70,964.16

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Solution

The fourth proportional to 127,552.32, 176,027.52 and 70,964.16 is: 97,933.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,552.32 : 176,027.52 = 70,964.16 : x
  2. Step 2: Convert to fraction form
    127,552.32/176,027.52 = 70,964.16/x
  3. Step 3: Cross multiply
    127,552.32x = 176,027.52 × 70,964.16
  4. Step 4: Simplify right side
    127,552.32x = 12,491,645,093.68
  5. Step 5: Solve for x
    x = 12,491,645,093.68/127,552.32
  6. Step 6: Final answer
    x = 97,933.50

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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.