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Finding the Fourth Proportional to 230,146.75, 317,602.56 and 134,671.78

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Solution

The fourth proportional to 230,146.75, 317,602.56 and 134,671.78 is: 185,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,146.75 : 317,602.56 = 134,671.78 : x
  2. Step 2: Convert to fraction form
    230,146.75/317,602.56 = 134,671.78/x
  3. Step 3: Cross multiply
    230,146.75x = 317,602.56 × 134,671.78
  4. Step 4: Simplify right side
    230,146.75x = 42,772,102,087.76
  5. Step 5: Solve for x
    x = 42,772,102,087.76/230,146.75
  6. Step 6: Final answer
    x = 185,847.08

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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.