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Finding the Fourth Proportional to 183,350.50, 252,943.50 and 129,681.52

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Solution

The fourth proportional to 183,350.50, 252,943.50 and 129,681.52 is: 178,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,350.50 : 252,943.50 = 129,681.52 : x
  2. Step 2: Convert to fraction form
    183,350.50/252,943.50 = 129,681.52/x
  3. Step 3: Cross multiply
    183,350.50x = 252,943.50 × 129,681.52
  4. Step 4: Simplify right side
    183,350.50x = 32,802,097,554.12
  5. Step 5: Solve for x
    x = 32,802,097,554.12/183,350.50
  6. Step 6: Final answer
    x = 178,903.78

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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.