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Finding the Fourth Proportional to 171,298.05, 256,928.59 and 44,951.01

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Solution

The fourth proportional to 171,298.05, 256,928.59 and 44,951.01 is: 67,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,298.05 : 256,928.59 = 44,951.01 : x
  2. Step 2: Convert to fraction form
    171,298.05/256,928.59 = 44,951.01/x
  3. Step 3: Cross multiply
    171,298.05x = 256,928.59 × 44,951.01
  4. Step 4: Simplify right side
    171,298.05x = 11,549,199,618.38
  5. Step 5: Solve for x
    x = 11,549,199,618.38/171,298.05
  6. Step 6: Final answer
    x = 67,421.66

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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.