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Finding the Fourth Proportional to 172,663.34, 237,798.87 and 148,781.30

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Solution

The fourth proportional to 172,663.34, 237,798.87 and 148,781.30 is: 204,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,663.34 : 237,798.87 = 148,781.30 : x
  2. Step 2: Convert to fraction form
    172,663.34/237,798.87 = 148,781.30/x
  3. Step 3: Cross multiply
    172,663.34x = 237,798.87 × 148,781.30
  4. Step 4: Simplify right side
    172,663.34x = 35,380,025,017.13
  5. Step 5: Solve for x
    x = 35,380,025,017.13/172,663.34
  6. Step 6: Final answer
    x = 204,907.57

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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.