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Finding the Fourth Proportional to 236,387.68, 354,477.76 and 88,540

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Solution

The fourth proportional to 236,387.68, 354,477.76 and 88,540 is: 132,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,387.68 : 354,477.76 = 88,540 : x
  2. Step 2: Convert to fraction form
    236,387.68/354,477.76 = 88,540/x
  3. Step 3: Cross multiply
    236,387.68x = 354,477.76 × 88,540
  4. Step 4: Simplify right side
    236,387.68x = 31,385,460,870.40
  5. Step 5: Solve for x
    x = 31,385,460,870.40/236,387.68
  6. Step 6: Final answer
    x = 132,771.14

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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.