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Finding the Fourth Proportional to 230,404.16, 317,964.48 and 134,901.92

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Solution

The fourth proportional to 230,404.16, 317,964.48 and 134,901.92 is: 186,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,404.16 : 317,964.48 = 134,901.92 : x
  2. Step 2: Convert to fraction form
    230,404.16/317,964.48 = 134,901.92/x
  3. Step 3: Cross multiply
    230,404.16x = 317,964.48 × 134,901.92
  4. Step 4: Simplify right side
    230,404.16x = 42,894,018,843.80
  5. Step 5: Solve for x
    x = 42,894,018,843.80/230,404.16
  6. Step 6: Final answer
    x = 186,168.60

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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.