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Finding the Fourth Proportional to 115,165.93, 172,667.05 and 44,028.59

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Solution

The fourth proportional to 115,165.93, 172,667.05 and 44,028.59 is: 66,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,165.93 : 172,667.05 = 44,028.59 : x
  2. Step 2: Convert to fraction form
    115,165.93/172,667.05 = 44,028.59/x
  3. Step 3: Cross multiply
    115,165.93x = 172,667.05 × 44,028.59
  4. Step 4: Simplify right side
    115,165.93x = 7,602,286,750.96
  5. Step 5: Solve for x
    x = 7,602,286,750.96/115,165.93
  6. Step 6: Final answer
    x = 66,011.60

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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.