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Finding the Fourth Proportional to 202,955.20, 304,432.80 and 124,028.80

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Solution

The fourth proportional to 202,955.20, 304,432.80 and 124,028.80 is: 186,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,955.20 : 304,432.80 = 124,028.80 : x
  2. Step 2: Convert to fraction form
    202,955.20/304,432.80 = 124,028.80/x
  3. Step 3: Cross multiply
    202,955.20x = 304,432.80 × 124,028.80
  4. Step 4: Simplify right side
    202,955.20x = 37,758,434,864.64
  5. Step 5: Solve for x
    x = 37,758,434,864.64/202,955.20
  6. Step 6: Final answer
    x = 186,043.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.