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Finding the Fourth Proportional to 170,710.03, 255,920.44 and 70,807.87

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Solution

The fourth proportional to 170,710.03, 255,920.44 and 70,807.87 is: 106,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,710.03 : 255,920.44 = 70,807.87 : x
  2. Step 2: Convert to fraction form
    170,710.03/255,920.44 = 70,807.87/x
  3. Step 3: Cross multiply
    170,710.03x = 255,920.44 × 70,807.87
  4. Step 4: Simplify right side
    170,710.03x = 18,121,179,612.22
  5. Step 5: Solve for x
    x = 18,121,179,612.22/170,710.03
  6. Step 6: Final answer
    x = 106,151.82

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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.