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Finding the Fourth Proportional to 229,432.65, 316,616.77 and 127,467.52

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Solution

The fourth proportional to 229,432.65, 316,616.77 and 127,467.52 is: 175,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,432.65 : 316,616.77 = 127,467.52 : x
  2. Step 2: Convert to fraction form
    229,432.65/316,616.77 = 127,467.52/x
  3. Step 3: Cross multiply
    229,432.65x = 316,616.77 × 127,467.52
  4. Step 4: Simplify right side
    229,432.65x = 40,358,355,969.57
  5. Step 5: Solve for x
    x = 40,358,355,969.57/229,432.65
  6. Step 6: Final answer
    x = 175,905.02

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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.