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Finding the Fourth Proportional to 230,349.30, 317,892.88 and 134,886.76

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Solution

The fourth proportional to 230,349.30, 317,892.88 and 134,886.76 is: 186,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,349.30 : 317,892.88 = 134,886.76 : x
  2. Step 2: Convert to fraction form
    230,349.30/317,892.88 = 134,886.76/x
  3. Step 3: Cross multiply
    230,349.30x = 317,892.88 × 134,886.76
  4. Step 4: Simplify right side
    230,349.30x = 42,879,540,610.27
  5. Step 5: Solve for x
    x = 42,879,540,610.27/230,349.30
  6. Step 6: Final answer
    x = 186,150.08

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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.