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Finding the Fourth Proportional to 83,595.66, 125,393.49 and 42,013.50

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Solution

The fourth proportional to 83,595.66, 125,393.49 and 42,013.50 is: 63,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,595.66 : 125,393.49 = 42,013.50 : x
  2. Step 2: Convert to fraction form
    83,595.66/125,393.49 = 42,013.50/x
  3. Step 3: Cross multiply
    83,595.66x = 125,393.49 × 42,013.50
  4. Step 4: Simplify right side
    83,595.66x = 5,268,219,392.12
  5. Step 5: Solve for x
    x = 5,268,219,392.12/83,595.66
  6. Step 6: Final answer
    x = 63,020.25

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1.5x scale

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.