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Finding the Fourth Proportional to 215,191.00, 296,999.61 and 124,531.34

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Solution

The fourth proportional to 215,191.00, 296,999.61 and 124,531.34 is: 171,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,191.00 : 296,999.61 = 124,531.34 : x
  2. Step 2: Convert to fraction form
    215,191.00/296,999.61 = 124,531.34/x
  3. Step 3: Cross multiply
    215,191.00x = 296,999.61 × 124,531.34
  4. Step 4: Simplify right side
    215,191.00x = 36,985,759,412.78
  5. Step 5: Solve for x
    x = 36,985,759,412.78/215,191.00
  6. Step 6: Final answer
    x = 171,874.10

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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.