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Finding the Fourth Proportional to 84,693.48, 116,856.72 and 52,850.76

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Solution

The fourth proportional to 84,693.48, 116,856.72 and 52,850.76 is: 72,921.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,693.48 : 116,856.72 = 52,850.76 : x
  2. Step 2: Convert to fraction form
    84,693.48/116,856.72 = 52,850.76/x
  3. Step 3: Cross multiply
    84,693.48x = 116,856.72 × 52,850.76
  4. Step 4: Simplify right side
    84,693.48x = 6,175,966,463.11
  5. Step 5: Solve for x
    x = 6,175,966,463.11/84,693.48
  6. Step 6: Final answer
    x = 72,921.39

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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.