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Finding the Fourth Proportional to 59,543.06, 89,671.03 and 54,228.65

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Solution

The fourth proportional to 59,543.06, 89,671.03 and 54,228.65 is: 81,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,543.06 : 89,671.03 = 54,228.65 : x
  2. Step 2: Convert to fraction form
    59,543.06/89,671.03 = 54,228.65/x
  3. Step 3: Cross multiply
    59,543.06x = 89,671.03 × 54,228.65
  4. Step 4: Simplify right side
    59,543.06x = 4,862,738,317.08
  5. Step 5: Solve for x
    x = 4,862,738,317.08/59,543.06
  6. Step 6: Final answer
    x = 81,667.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.