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Finding the Fourth Proportional to 254,229.01, 350,835.06 and 139,509.55

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Solution

The fourth proportional to 254,229.01, 350,835.06 and 139,509.55 is: 192,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,229.01 : 350,835.06 = 139,509.55 : x
  2. Step 2: Convert to fraction form
    254,229.01/350,835.06 = 139,509.55/x
  3. Step 3: Cross multiply
    254,229.01x = 350,835.06 × 139,509.55
  4. Step 4: Simplify right side
    254,229.01x = 48,944,842,306.53
  5. Step 5: Solve for x
    x = 48,944,842,306.53/254,229.01
  6. Step 6: Final answer
    x = 192,522.65

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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.