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Finding the Fourth Proportional to 185,246.62, 255,508.94 and 156,829.30

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Solution

The fourth proportional to 185,246.62, 255,508.94 and 156,829.30 is: 216,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,246.62 : 255,508.94 = 156,829.30 : x
  2. Step 2: Convert to fraction form
    185,246.62/255,508.94 = 156,829.30/x
  3. Step 3: Cross multiply
    185,246.62x = 255,508.94 × 156,829.30
  4. Step 4: Simplify right side
    185,246.62x = 40,071,287,957.24
  5. Step 5: Solve for x
    x = 40,071,287,957.24/185,246.62
  6. Step 6: Final answer
    x = 216,313.20

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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.