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Finding the Fourth Proportional to 252,622.40, 378,864.48 and 94,838.72

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Solution

The fourth proportional to 252,622.40, 378,864.48 and 94,838.72 is: 142,232.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,622.40 : 378,864.48 = 94,838.72 : x
  2. Step 2: Convert to fraction form
    252,622.40/378,864.48 = 94,838.72/x
  3. Step 3: Cross multiply
    252,622.40x = 378,864.48 × 94,838.72
  4. Step 4: Simplify right side
    252,622.40x = 35,931,022,336.67
  5. Step 5: Solve for x
    x = 35,931,022,336.67/252,622.40
  6. Step 6: Final answer
    x = 142,232.13

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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.