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Finding the Fourth Proportional to 248,792.38, 343,320.53 and 141,347.50

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Solution

The fourth proportional to 248,792.38, 343,320.53 and 141,347.50 is: 195,052.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,792.38 : 343,320.53 = 141,347.50 : x
  2. Step 2: Convert to fraction form
    248,792.38/343,320.53 = 141,347.50/x
  3. Step 3: Cross multiply
    248,792.38x = 343,320.53 × 141,347.50
  4. Step 4: Simplify right side
    248,792.38x = 48,527,498,614.18
  5. Step 5: Solve for x
    x = 48,527,498,614.18/248,792.38
  6. Step 6: Final answer
    x = 195,052.19

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1.5x scale

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.