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Finding the Fourth Proportional to 154,996.88, 213,996.54 and 94,602.53

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Solution

The fourth proportional to 154,996.88, 213,996.54 and 94,602.53 is: 130,613.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,996.88 : 213,996.54 = 94,602.53 : x
  2. Step 2: Convert to fraction form
    154,996.88/213,996.54 = 94,602.53/x
  3. Step 3: Cross multiply
    154,996.88x = 213,996.54 × 94,602.53
  4. Step 4: Simplify right side
    154,996.88x = 20,244,613,025.26
  5. Step 5: Solve for x
    x = 20,244,613,025.26/154,996.88
  6. Step 6: Final answer
    x = 130,613.04

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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.