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Finding the Fourth Proportional to 106,437.40, 159,656.10 and 94,456.60

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Solution

The fourth proportional to 106,437.40, 159,656.10 and 94,456.60 is: 141,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,437.40 : 159,656.10 = 94,456.60 : x
  2. Step 2: Convert to fraction form
    106,437.40/159,656.10 = 94,456.60/x
  3. Step 3: Cross multiply
    106,437.40x = 159,656.10 × 94,456.60
  4. Step 4: Simplify right side
    106,437.40x = 15,080,572,375.26
  5. Step 5: Solve for x
    x = 15,080,572,375.26/106,437.40
  6. Step 6: Final answer
    x = 141,684.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.