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Finding the Fourth Proportional to 127,510.57, 175,953.70 and 73,798.90

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Solution

The fourth proportional to 127,510.57, 175,953.70 and 73,798.90 is: 101,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,510.57 : 175,953.70 = 73,798.90 : x
  2. Step 2: Convert to fraction form
    127,510.57/175,953.70 = 73,798.90/x
  3. Step 3: Cross multiply
    127,510.57x = 175,953.70 × 73,798.90
  4. Step 4: Simplify right side
    127,510.57x = 12,985,189,163.29
  5. Step 5: Solve for x
    x = 12,985,189,163.29/127,510.57
  6. Step 6: Final answer
    x = 101,836.18

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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.