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Finding the Fourth Proportional to 141,393.34, 195,111.20 and 83,240.84

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Solution

The fourth proportional to 141,393.34, 195,111.20 and 83,240.84 is: 114,865.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,393.34 : 195,111.20 = 83,240.84 : x
  2. Step 2: Convert to fraction form
    141,393.34/195,111.20 = 83,240.84/x
  3. Step 3: Cross multiply
    141,393.34x = 195,111.20 × 83,240.84
  4. Step 4: Simplify right side
    141,393.34x = 16,241,219,779.79
  5. Step 5: Solve for x
    x = 16,241,219,779.79/141,393.34
  6. Step 6: Final answer
    x = 114,865.53

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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.