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Finding the Fourth Proportional to 73,456.19, 101,317.02 and 67,425.57

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Solution

The fourth proportional to 73,456.19, 101,317.02 and 67,425.57 is: 92,999.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,456.19 : 101,317.02 = 67,425.57 : x
  2. Step 2: Convert to fraction form
    73,456.19/101,317.02 = 67,425.57/x
  3. Step 3: Cross multiply
    73,456.19x = 101,317.02 × 67,425.57
  4. Step 4: Simplify right side
    73,456.19x = 6,831,357,824.20
  5. Step 5: Solve for x
    x = 6,831,357,824.20/73,456.19
  6. Step 6: Final answer
    x = 92,999.08

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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.