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Finding the Fourth Proportional to 151,871.40, 227,612.70 and 134,375.40

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Solution

The fourth proportional to 151,871.40, 227,612.70 and 134,375.40 is: 201,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,871.40 : 227,612.70 = 134,375.40 : x
  2. Step 2: Convert to fraction form
    151,871.40/227,612.70 = 134,375.40/x
  3. Step 3: Cross multiply
    151,871.40x = 227,612.70 × 134,375.40
  4. Step 4: Simplify right side
    151,871.40x = 30,585,547,607.58
  5. Step 5: Solve for x
    x = 30,585,547,607.58/151,871.40
  6. Step 6: Final answer
    x = 201,391.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.