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Finding the Fourth Proportional to 122,573.71, 169,158.95 and 92,305.63

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Solution

The fourth proportional to 122,573.71, 169,158.95 and 92,305.63 is: 127,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,573.71 : 169,158.95 = 92,305.63 : x
  2. Step 2: Convert to fraction form
    122,573.71/169,158.95 = 92,305.63/x
  3. Step 3: Cross multiply
    122,573.71x = 169,158.95 × 92,305.63
  4. Step 4: Simplify right side
    122,573.71x = 15,614,322,988.36
  5. Step 5: Solve for x
    x = 15,614,322,988.36/122,573.71
  6. Step 6: Final answer
    x = 127,387.21

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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.