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Finding the Fourth Proportional to 70,593.48, 97,422.18 and 42,298.56

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Solution

The fourth proportional to 70,593.48, 97,422.18 and 42,298.56 is: 58,373.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,593.48 : 97,422.18 = 42,298.56 : x
  2. Step 2: Convert to fraction form
    70,593.48/97,422.18 = 42,298.56/x
  3. Step 3: Cross multiply
    70,593.48x = 97,422.18 × 42,298.56
  4. Step 4: Simplify right side
    70,593.48x = 4,120,817,926.06
  5. Step 5: Solve for x
    x = 4,120,817,926.06/70,593.48
  6. Step 6: Final answer
    x = 58,373.92

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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.