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Finding the Fourth Proportional to 94,574.40, 130,512.20 and 52,132.88

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Solution

The fourth proportional to 94,574.40, 130,512.20 and 52,132.88 is: 71,943.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,574.40 : 130,512.20 = 52,132.88 : x
  2. Step 2: Convert to fraction form
    94,574.40/130,512.20 = 52,132.88/x
  3. Step 3: Cross multiply
    94,574.40x = 130,512.20 × 52,132.88
  4. Step 4: Simplify right side
    94,574.40x = 6,803,976,861.14
  5. Step 5: Solve for x
    x = 6,803,976,861.14/94,574.40
  6. Step 6: Final answer
    x = 71,943.11

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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.