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Finding the Fourth Proportional to 168,225.92, 252,411.52 and 63,031.68

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Solution

The fourth proportional to 168,225.92, 252,411.52 and 63,031.68 is: 94,574.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,225.92 : 252,411.52 = 63,031.68 : x
  2. Step 2: Convert to fraction form
    168,225.92/252,411.52 = 63,031.68/x
  3. Step 3: Cross multiply
    168,225.92x = 252,411.52 × 63,031.68
  4. Step 4: Simplify right side
    168,225.92x = 15,909,922,156.95
  5. Step 5: Solve for x
    x = 15,909,922,156.95/168,225.92
  6. Step 6: Final answer
    x = 94,574.74

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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.