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Finding the Fourth Proportional to 127,160.98, 175,475.89 and 69,798.90

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Solution

The fourth proportional to 127,160.98, 175,475.89 and 69,798.90 is: 96,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,160.98 : 175,475.89 = 69,798.90 : x
  2. Step 2: Convert to fraction form
    127,160.98/175,475.89 = 69,798.90/x
  3. Step 3: Cross multiply
    127,160.98x = 175,475.89 × 69,798.90
  4. Step 4: Simplify right side
    127,160.98x = 12,248,024,098.52
  5. Step 5: Solve for x
    x = 12,248,024,098.52/127,160.98
  6. Step 6: Final answer
    x = 96,319.04

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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.