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Finding the Fourth Proportional to 127,490.74, 175,950.13 and 73,050.13

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Solution

The fourth proportional to 127,490.74, 175,950.13 and 73,050.13 is: 100,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,490.74 : 175,950.13 = 73,050.13 : x
  2. Step 2: Convert to fraction form
    127,490.74/175,950.13 = 73,050.13/x
  3. Step 3: Cross multiply
    127,490.74x = 175,950.13 × 73,050.13
  4. Step 4: Simplify right side
    127,490.74x = 12,853,179,870.02
  5. Step 5: Solve for x
    x = 12,853,179,870.02/127,490.74
  6. Step 6: Final answer
    x = 100,816.58

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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.