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Finding the Fourth Proportional to 247,475.36, 370,734.72 and 147,715.04

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Solution

The fourth proportional to 247,475.36, 370,734.72 and 147,715.04 is: 221,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,475.36 : 370,734.72 = 147,715.04 : x
  2. Step 2: Convert to fraction form
    247,475.36/370,734.72 = 147,715.04/x
  3. Step 3: Cross multiply
    247,475.36x = 370,734.72 × 147,715.04
  4. Step 4: Simplify right side
    247,475.36x = 54,763,093,994.19
  5. Step 5: Solve for x
    x = 54,763,093,994.19/247,475.36
  6. Step 6: Final answer
    x = 221,287.06

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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.