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Finding the Fourth Proportional to 254,351.20, 351,035.76 and 141,210.40

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Solution

The fourth proportional to 254,351.20, 351,035.76 and 141,210.40 is: 194,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,351.20 : 351,035.76 = 141,210.40 : x
  2. Step 2: Convert to fraction form
    254,351.20/351,035.76 = 141,210.40/x
  3. Step 3: Cross multiply
    254,351.20x = 351,035.76 × 141,210.40
  4. Step 4: Simplify right side
    254,351.20x = 49,569,900,083.90
  5. Step 5: Solve for x
    x = 49,569,900,083.90/254,351.20
  6. Step 6: Final answer
    x = 194,887.62

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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.