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Finding the Fourth Proportional to 153,553.62, 230,252.13 and 115,252.86

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Solution

The fourth proportional to 153,553.62, 230,252.13 and 115,252.86 is: 172,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,553.62 : 230,252.13 = 115,252.86 : x
  2. Step 2: Convert to fraction form
    153,553.62/230,252.13 = 115,252.86/x
  3. Step 3: Cross multiply
    153,553.62x = 230,252.13 × 115,252.86
  4. Step 4: Simplify right side
    153,553.62x = 26,537,216,503.59
  5. Step 5: Solve for x
    x = 26,537,216,503.59/153,553.62
  6. Step 6: Final answer
    x = 172,820.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.