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Finding the Fourth Proportional to 96,662.47, 144,920.77 and 63,390.91

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Solution

The fourth proportional to 96,662.47, 144,920.77 and 63,390.91 is: 95,038.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,662.47 : 144,920.77 = 63,390.91 : x
  2. Step 2: Convert to fraction form
    96,662.47/144,920.77 = 63,390.91/x
  3. Step 3: Cross multiply
    96,662.47x = 144,920.77 × 63,390.91
  4. Step 4: Simplify right side
    96,662.47x = 9,186,658,967.42
  5. Step 5: Solve for x
    x = 9,186,658,967.42/96,662.47
  6. Step 6: Final answer
    x = 95,038.53

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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.