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Finding the Fourth Proportional to 180,191.42, 248,642.54 and 99,608.02

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Solution

The fourth proportional to 180,191.42, 248,642.54 and 99,608.02 is: 137,447.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,191.42 : 248,642.54 = 99,608.02 : x
  2. Step 2: Convert to fraction form
    180,191.42/248,642.54 = 99,608.02/x
  3. Step 3: Cross multiply
    180,191.42x = 248,642.54 × 99,608.02
  4. Step 4: Simplify right side
    180,191.42x = 24,766,791,097.17
  5. Step 5: Solve for x
    x = 24,766,791,097.17/180,191.42
  6. Step 6: Final answer
    x = 137,447.12

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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.