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Finding the Fourth Proportional to 127,169.80, 175,473.95 and 73,444.93

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Solution

The fourth proportional to 127,169.80, 175,473.95 and 73,444.93 is: 101,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,169.80 : 175,473.95 = 73,444.93 : x
  2. Step 2: Convert to fraction form
    127,169.80/175,473.95 = 73,444.93/x
  3. Step 3: Cross multiply
    127,169.80x = 175,473.95 × 73,444.93
  4. Step 4: Simplify right side
    127,169.80x = 12,887,671,168.66
  5. Step 5: Solve for x
    x = 12,887,671,168.66/127,169.80
  6. Step 6: Final answer
    x = 101,342.23

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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.