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Finding the Fourth Proportional to 158,854.08, 237,918.24 and 75,806.40

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Solution

The fourth proportional to 158,854.08, 237,918.24 and 75,806.40 is: 113,536.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,854.08 : 237,918.24 = 75,806.40 : x
  2. Step 2: Convert to fraction form
    158,854.08/237,918.24 = 75,806.40/x
  3. Step 3: Cross multiply
    158,854.08x = 237,918.24 × 75,806.40
  4. Step 4: Simplify right side
    158,854.08x = 18,035,725,268.74
  5. Step 5: Solve for x
    x = 18,035,725,268.74/158,854.08
  6. Step 6: Final answer
    x = 113,536.43

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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.