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Finding the Fourth Proportional to 127,298.79, 175,680.90 and 73,597.41

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Solution

The fourth proportional to 127,298.79, 175,680.90 and 73,597.41 is: 101,569.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,298.79 : 175,680.90 = 73,597.41 : x
  2. Step 2: Convert to fraction form
    127,298.79/175,680.90 = 73,597.41/x
  3. Step 3: Cross multiply
    127,298.79x = 175,680.90 × 73,597.41
  4. Step 4: Simplify right side
    127,298.79x = 12,929,659,226.47
  5. Step 5: Solve for x
    x = 12,929,659,226.47/127,298.79
  6. Step 6: Final answer
    x = 101,569.38

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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.