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Finding the Fourth Proportional to 94,980.47, 131,672.45 and 89,924.45

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Solution

The fourth proportional to 94,980.47, 131,672.45 and 89,924.45 is: 124,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,980.47 : 131,672.45 = 89,924.45 : x
  2. Step 2: Convert to fraction form
    94,980.47/131,672.45 = 89,924.45/x
  3. Step 3: Cross multiply
    94,980.47x = 131,672.45 × 89,924.45
  4. Step 4: Simplify right side
    94,980.47x = 11,840,571,538.42
  5. Step 5: Solve for x
    x = 11,840,571,538.42/94,980.47
  6. Step 6: Final answer
    x = 124,663.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.