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Finding the Fourth Proportional to 83,843.60, 115,703.01 and 45,602.32

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Solution

The fourth proportional to 83,843.60, 115,703.01 and 45,602.32 is: 62,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,843.60 : 115,703.01 = 45,602.32 : x
  2. Step 2: Convert to fraction form
    83,843.60/115,703.01 = 45,602.32/x
  3. Step 3: Cross multiply
    83,843.60x = 115,703.01 × 45,602.32
  4. Step 4: Simplify right side
    83,843.60x = 5,276,325,686.98
  5. Step 5: Solve for x
    x = 5,276,325,686.98/83,843.60
  6. Step 6: Final answer
    x = 62,930.57

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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.