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Finding the Fourth Proportional to 84,677.30, 116,854.53 and 48,867.30

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Solution

The fourth proportional to 84,677.30, 116,854.53 and 48,867.30 is: 67,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,677.30 : 116,854.53 = 48,867.30 : x
  2. Step 2: Convert to fraction form
    84,677.30/116,854.53 = 48,867.30/x
  3. Step 3: Cross multiply
    84,677.30x = 116,854.53 × 48,867.30
  4. Step 4: Simplify right side
    84,677.30x = 5,710,365,373.87
  5. Step 5: Solve for x
    x = 5,710,365,373.87/84,677.30
  6. Step 6: Final answer
    x = 67,436.79

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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.