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Finding the Fourth Proportional to 84,374.84, 116,403.78 and 48,545.56

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Solution

The fourth proportional to 84,374.84, 116,403.78 and 48,545.56 is: 66,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,374.84 : 116,403.78 = 48,545.56 : x
  2. Step 2: Convert to fraction form
    84,374.84/116,403.78 = 48,545.56/x
  3. Step 3: Cross multiply
    84,374.84x = 116,403.78 × 48,545.56
  4. Step 4: Simplify right side
    84,374.84x = 5,650,886,686.22
  5. Step 5: Solve for x
    x = 5,650,886,686.22/84,374.84
  6. Step 6: Final answer
    x = 66,973.60

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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.