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Finding the Fourth Proportional to 84,603.78, 116,753.13 and 46,878.03

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Solution

The fourth proportional to 84,603.78, 116,753.13 and 46,878.03 is: 64,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,603.78 : 116,753.13 = 46,878.03 : x
  2. Step 2: Convert to fraction form
    84,603.78/116,753.13 = 46,878.03/x
  3. Step 3: Cross multiply
    84,603.78x = 116,753.13 × 46,878.03
  4. Step 4: Simplify right side
    84,603.78x = 5,473,156,730.73
  5. Step 5: Solve for x
    x = 5,473,156,730.73/84,603.78
  6. Step 6: Final answer
    x = 64,691.63

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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.