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Finding the Fourth Proportional to 64,418.20, 88,898.04 and 48,256.87

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Solution

The fourth proportional to 64,418.20, 88,898.04 and 48,256.87 is: 66,595.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,418.20 : 88,898.04 = 48,256.87 : x
  2. Step 2: Convert to fraction form
    64,418.20/88,898.04 = 48,256.87/x
  3. Step 3: Cross multiply
    64,418.20x = 88,898.04 × 48,256.87
  4. Step 4: Simplify right side
    64,418.20x = 4,289,941,159.53
  5. Step 5: Solve for x
    x = 4,289,941,159.53/64,418.20
  6. Step 6: Final answer
    x = 66,595.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.