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Finding the Fourth Proportional to 171,363.16, 236,458.74 and 99,755.92

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Solution

The fourth proportional to 171,363.16, 236,458.74 and 99,755.92 is: 137,650.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,363.16 : 236,458.74 = 99,755.92 : x
  2. Step 2: Convert to fraction form
    171,363.16/236,458.74 = 99,755.92/x
  3. Step 3: Cross multiply
    171,363.16x = 236,458.74 × 99,755.92
  4. Step 4: Simplify right side
    171,363.16x = 23,588,159,150.74
  5. Step 5: Solve for x
    x = 23,588,159,150.74/171,363.16
  6. Step 6: Final answer
    x = 137,650.12

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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.