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Finding the Fourth Proportional to 171,148.14, 256,832.64 and 92,317.32

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Solution

The fourth proportional to 171,148.14, 256,832.64 and 92,317.32 is: 138,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,148.14 : 256,832.64 = 92,317.32 : x
  2. Step 2: Convert to fraction form
    171,148.14/256,832.64 = 92,317.32/x
  3. Step 3: Cross multiply
    171,148.14x = 256,832.64 × 92,317.32
  4. Step 4: Simplify right side
    171,148.14x = 23,710,101,013.32
  5. Step 5: Solve for x
    x = 23,710,101,013.32/171,148.14
  6. Step 6: Final answer
    x = 138,535.55

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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.