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Finding the Fourth Proportional to 97,357.94, 134,301.86 and 67,158.20

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Solution

The fourth proportional to 97,357.94, 134,301.86 and 67,158.20 is: 92,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,357.94 : 134,301.86 = 67,158.20 : x
  2. Step 2: Convert to fraction form
    97,357.94/134,301.86 = 67,158.20/x
  3. Step 3: Cross multiply
    97,357.94x = 134,301.86 × 67,158.20
  4. Step 4: Simplify right side
    97,357.94x = 9,019,471,174.25
  5. Step 5: Solve for x
    x = 9,019,471,174.25/97,357.94
  6. Step 6: Final answer
    x = 92,642.38

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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.