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Finding the Fourth Proportional to 193,999.59, 267,679.26 and 113,411.48

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Solution

The fourth proportional to 193,999.59, 267,679.26 and 113,411.48 is: 156,484.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,999.59 : 267,679.26 = 113,411.48 : x
  2. Step 2: Convert to fraction form
    193,999.59/267,679.26 = 113,411.48/x
  3. Step 3: Cross multiply
    193,999.59x = 267,679.26 × 113,411.48
  4. Step 4: Simplify right side
    193,999.59x = 30,357,899,703.51
  5. Step 5: Solve for x
    x = 30,357,899,703.51/193,999.59
  6. Step 6: Final answer
    x = 156,484.35

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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.