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Finding the Fourth Proportional to 229,878.41, 317,270.22 and 134,366.65

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Solution

The fourth proportional to 229,878.41, 317,270.22 and 134,366.65 is: 185,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,878.41 : 317,270.22 = 134,366.65 : x
  2. Step 2: Convert to fraction form
    229,878.41/317,270.22 = 134,366.65/x
  3. Step 3: Cross multiply
    229,878.41x = 317,270.22 × 134,366.65
  4. Step 4: Simplify right side
    229,878.41x = 42,630,535,309.11
  5. Step 5: Solve for x
    x = 42,630,535,309.11/229,878.41
  6. Step 6: Final answer
    x = 185,448.20

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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.