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Finding the Fourth Proportional to 170,027.70, 255,041.55 and 151,656.90

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Solution

The fourth proportional to 170,027.70, 255,041.55 and 151,656.90 is: 227,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,027.70 : 255,041.55 = 151,656.90 : x
  2. Step 2: Convert to fraction form
    170,027.70/255,041.55 = 151,656.90/x
  3. Step 3: Cross multiply
    170,027.70x = 255,041.55 × 151,656.90
  4. Step 4: Simplify right side
    170,027.70x = 38,678,810,844.20
  5. Step 5: Solve for x
    x = 38,678,810,844.20/170,027.70
  6. Step 6: Final answer
    x = 227,485.35

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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.