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Finding the Fourth Proportional to 94,638.88, 130,602.56 and 52,198.88

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Solution

The fourth proportional to 94,638.88, 130,602.56 and 52,198.88 is: 72,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,638.88 : 130,602.56 = 52,198.88 : x
  2. Step 2: Convert to fraction form
    94,638.88/130,602.56 = 52,198.88/x
  3. Step 3: Cross multiply
    94,638.88x = 130,602.56 × 52,198.88
  4. Step 4: Simplify right side
    94,638.88x = 6,817,307,357.13
  5. Step 5: Solve for x
    x = 6,817,307,357.13/94,638.88
  6. Step 6: Final answer
    x = 72,034.95

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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.