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Finding the Fourth Proportional to 127,820.77, 176,711.52 and 95,934.31

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Solution

The fourth proportional to 127,820.77, 176,711.52 and 95,934.31 is: 132,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,820.77 : 176,711.52 = 95,934.31 : x
  2. Step 2: Convert to fraction form
    127,820.77/176,711.52 = 95,934.31/x
  3. Step 3: Cross multiply
    127,820.77x = 176,711.52 × 95,934.31
  4. Step 4: Simplify right side
    127,820.77x = 16,952,697,658.23
  5. Step 5: Solve for x
    x = 16,952,697,658.23/127,820.77
  6. Step 6: Final answer
    x = 132,628.66

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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.