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Finding the Fourth Proportional to 125,616.10, 188,731.35 and 94,512.10

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Solution

The fourth proportional to 125,616.10, 188,731.35 and 94,512.10 is: 141,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,616.10 : 188,731.35 = 94,512.10 : x
  2. Step 2: Convert to fraction form
    125,616.10/188,731.35 = 94,512.10/x
  3. Step 3: Cross multiply
    125,616.10x = 188,731.35 × 94,512.10
  4. Step 4: Simplify right side
    125,616.10x = 17,837,396,224.34
  5. Step 5: Solve for x
    x = 17,837,396,224.34/125,616.10
  6. Step 6: Final answer
    x = 141,999.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.