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Finding the Fourth Proportional to 101,210.83, 138,658.19 and 97,425.95

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Solution

The fourth proportional to 101,210.83, 138,658.19 and 97,425.95 is: 133,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,210.83 : 138,658.19 = 97,425.95 : x
  2. Step 2: Convert to fraction form
    101,210.83/138,658.19 = 97,425.95/x
  3. Step 3: Cross multiply
    101,210.83x = 138,658.19 × 97,425.95
  4. Step 4: Simplify right side
    101,210.83x = 13,508,905,886.03
  5. Step 5: Solve for x
    x = 13,508,905,886.03/101,210.83
  6. Step 6: Final answer
    x = 133,472.93

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.