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Finding the Fourth Proportional to 253,332, 349,598.16 and 140,162.04

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Solution

The fourth proportional to 253,332, 349,598.16 and 140,162.04 is: 193,423.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,332 : 349,598.16 = 140,162.04 : x
  2. Step 2: Convert to fraction form
    253,332/349,598.16 = 140,162.04/x
  3. Step 3: Cross multiply
    253,332x = 349,598.16 × 140,162.04
  4. Step 4: Simplify right side
    253,332x = 49,000,391,285.85
  5. Step 5: Solve for x
    x = 49,000,391,285.85/253,332
  6. Step 6: Final answer
    x = 193,423.62

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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.