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Finding the Fourth Proportional to 254,145.64, 350,719.86 and 145,248.16

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Solution

The fourth proportional to 254,145.64, 350,719.86 and 145,248.16 is: 200,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,145.64 : 350,719.86 = 145,248.16 : x
  2. Step 2: Convert to fraction form
    254,145.64/350,719.86 = 145,248.16/x
  3. Step 3: Cross multiply
    254,145.64x = 350,719.86 × 145,248.16
  4. Step 4: Simplify right side
    254,145.64x = 50,941,414,340.46
  5. Step 5: Solve for x
    x = 50,941,414,340.46/254,145.64
  6. Step 6: Final answer
    x = 200,441.82

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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.