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Finding the Fourth Proportional to 88,514.63, 132,643.16 and 54,708.47

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Solution

The fourth proportional to 88,514.63, 132,643.16 and 54,708.47 is: 81,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,514.63 : 132,643.16 = 54,708.47 : x
  2. Step 2: Convert to fraction form
    88,514.63/132,643.16 = 54,708.47/x
  3. Step 3: Cross multiply
    88,514.63x = 132,643.16 × 54,708.47
  4. Step 4: Simplify right side
    88,514.63x = 7,256,704,397.63
  5. Step 5: Solve for x
    x = 7,256,704,397.63/88,514.63
  6. Step 6: Final answer
    x = 81,983.10

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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.