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Finding the Fourth Proportional to 202,728.40, 304,063.80 and 62,501.20

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Solution

The fourth proportional to 202,728.40, 304,063.80 and 62,501.20 is: 93,742.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,728.40 : 304,063.80 = 62,501.20 : x
  2. Step 2: Convert to fraction form
    202,728.40/304,063.80 = 62,501.20/x
  3. Step 3: Cross multiply
    202,728.40x = 304,063.80 × 62,501.20
  4. Step 4: Simplify right side
    202,728.40x = 19,004,352,376.56
  5. Step 5: Solve for x
    x = 19,004,352,376.56/202,728.40
  6. Step 6: Final answer
    x = 93,742.92

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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.