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Finding the Fourth Proportional to 107,901, 148,901.67 and 60,157.26

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Solution

The fourth proportional to 107,901, 148,901.67 and 60,157.26 is: 83,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,901 : 148,901.67 = 60,157.26 : x
  2. Step 2: Convert to fraction form
    107,901/148,901.67 = 60,157.26/x
  3. Step 3: Cross multiply
    107,901x = 148,901.67 × 60,157.26
  4. Step 4: Simplify right side
    107,901x = 8,957,516,476.62
  5. Step 5: Solve for x
    x = 8,957,516,476.62/107,901
  6. Step 6: Final answer
    x = 83,016.07

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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.