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Finding the Fourth Proportional to 78,700.62, 108,594.53 and 44,238.53

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Solution

The fourth proportional to 78,700.62, 108,594.53 and 44,238.53 is: 61,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,700.62 : 108,594.53 = 44,238.53 : x
  2. Step 2: Convert to fraction form
    78,700.62/108,594.53 = 44,238.53/x
  3. Step 3: Cross multiply
    78,700.62x = 108,594.53 × 44,238.53
  4. Step 4: Simplify right side
    78,700.62x = 4,804,062,373.24
  5. Step 5: Solve for x
    x = 4,804,062,373.24/78,700.62
  6. Step 6: Final answer
    x = 61,042.24

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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.