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Finding the Fourth Proportional to 75,308.52, 103,840.54 and 48,048.12

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Solution

The fourth proportional to 75,308.52, 103,840.54 and 48,048.12 is: 66,252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,308.52 : 103,840.54 = 48,048.12 : x
  2. Step 2: Convert to fraction form
    75,308.52/103,840.54 = 48,048.12/x
  3. Step 3: Cross multiply
    75,308.52x = 103,840.54 × 48,048.12
  4. Step 4: Simplify right side
    75,308.52x = 4,989,342,726.78
  5. Step 5: Solve for x
    x = 4,989,342,726.78/75,308.52
  6. Step 6: Final answer
    x = 66,252.04

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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.