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Finding the Fourth Proportional to 75,159.92, 103,670.85 and 48,336.37

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Solution

The fourth proportional to 75,159.92, 103,670.85 and 48,336.37 is: 66,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,159.92 : 103,670.85 = 48,336.37 : x
  2. Step 2: Convert to fraction form
    75,159.92/103,670.85 = 48,336.37/x
  3. Step 3: Cross multiply
    75,159.92x = 103,670.85 × 48,336.37
  4. Step 4: Simplify right side
    75,159.92x = 5,011,072,304.64
  5. Step 5: Solve for x
    x = 5,011,072,304.64/75,159.92
  6. Step 6: Final answer
    x = 66,672.13

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1.5x scale

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.