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Finding the Fourth Proportional to 253,548, 349,896.24 and 140,378.04

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Solution

The fourth proportional to 253,548, 349,896.24 and 140,378.04 is: 193,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,548 : 349,896.24 = 140,378.04 : x
  2. Step 2: Convert to fraction form
    253,548/349,896.24 = 140,378.04/x
  3. Step 3: Cross multiply
    253,548x = 349,896.24 × 140,378.04
  4. Step 4: Simplify right side
    253,548x = 49,117,748,374.57
  5. Step 5: Solve for x
    x = 49,117,748,374.57/253,548
  6. Step 6: Final answer
    x = 193,721.70

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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.