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Finding the Fourth Proportional to 183,543.52, 253,021.98 and 129,733.60

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Solution

The fourth proportional to 183,543.52, 253,021.98 and 129,733.60 is: 178,842.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,543.52 : 253,021.98 = 129,733.60 : x
  2. Step 2: Convert to fraction form
    183,543.52/253,021.98 = 129,733.60/x
  3. Step 3: Cross multiply
    183,543.52x = 253,021.98 × 129,733.60
  4. Step 4: Simplify right side
    183,543.52x = 32,825,452,344.53
  5. Step 5: Solve for x
    x = 32,825,452,344.53/183,543.52
  6. Step 6: Final answer
    x = 178,842.88

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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.