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Finding the Fourth Proportional to 127,652.32, 176,133.51 and 73,934.12

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Solution

The fourth proportional to 127,652.32, 176,133.51 and 73,934.12 is: 102,013.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,652.32 : 176,133.51 = 73,934.12 : x
  2. Step 2: Convert to fraction form
    127,652.32/176,133.51 = 73,934.12/x
  3. Step 3: Cross multiply
    127,652.32x = 176,133.51 × 73,934.12
  4. Step 4: Simplify right side
    127,652.32x = 13,022,276,064.36
  5. Step 5: Solve for x
    x = 13,022,276,064.36/127,652.32
  6. Step 6: Final answer
    x = 102,013.63

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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.