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Finding the Fourth Proportional to 83,841.87, 115,703.93 and 45,603.60

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Solution

The fourth proportional to 83,841.87, 115,703.93 and 45,603.60 is: 62,934.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,841.87 : 115,703.93 = 45,603.60 : x
  2. Step 2: Convert to fraction form
    83,841.87/115,703.93 = 45,603.60/x
  3. Step 3: Cross multiply
    83,841.87x = 115,703.93 × 45,603.60
  4. Step 4: Simplify right side
    83,841.87x = 5,276,515,742.15
  5. Step 5: Solve for x
    x = 5,276,515,742.15/83,841.87
  6. Step 6: Final answer
    x = 62,934.14

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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.