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Finding the Fourth Proportional to 88,445.64, 132,668.16 and 35,855

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Solution

The fourth proportional to 88,445.64, 132,668.16 and 35,855 is: 53,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,445.64 : 132,668.16 = 35,855 : x
  2. Step 2: Convert to fraction form
    88,445.64/132,668.16 = 35,855/x
  3. Step 3: Cross multiply
    88,445.64x = 132,668.16 × 35,855
  4. Step 4: Simplify right side
    88,445.64x = 4,756,816,876.80
  5. Step 5: Solve for x
    x = 4,756,816,876.80/88,445.64
  6. Step 6: Final answer
    x = 53,782.38

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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.