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Finding the Fourth Proportional to 84,375.84, 116,435.16 and 48,569.52

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Solution

The fourth proportional to 84,375.84, 116,435.16 and 48,569.52 is: 67,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,375.84 : 116,435.16 = 48,569.52 : x
  2. Step 2: Convert to fraction form
    84,375.84/116,435.16 = 48,569.52/x
  3. Step 3: Cross multiply
    84,375.84x = 116,435.16 × 48,569.52
  4. Step 4: Simplify right side
    84,375.84x = 5,655,199,832.32
  5. Step 5: Solve for x
    x = 5,655,199,832.32/84,375.84
  6. Step 6: Final answer
    x = 67,023.92

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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.