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Finding the Fourth Proportional to 94,142.58, 129,919.03 and 51,702.03

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Solution

The fourth proportional to 94,142.58, 129,919.03 and 51,702.03 is: 71,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,142.58 : 129,919.03 = 51,702.03 : x
  2. Step 2: Convert to fraction form
    94,142.58/129,919.03 = 51,702.03/x
  3. Step 3: Cross multiply
    94,142.58x = 129,919.03 × 51,702.03
  4. Step 4: Simplify right side
    94,142.58x = 6,717,077,586.63
  5. Step 5: Solve for x
    x = 6,717,077,586.63/94,142.58
  6. Step 6: Final answer
    x = 71,350.05

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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.