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Finding the Fourth Proportional to 251,545.80, 347,101.61 and 170,051.32

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Solution

The fourth proportional to 251,545.80, 347,101.61 and 170,051.32 is: 234,649.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,545.80 : 347,101.61 = 170,051.32 : x
  2. Step 2: Convert to fraction form
    251,545.80/347,101.61 = 170,051.32/x
  3. Step 3: Cross multiply
    251,545.80x = 347,101.61 × 170,051.32
  4. Step 4: Simplify right side
    251,545.80x = 59,025,087,016.52
  5. Step 5: Solve for x
    x = 59,025,087,016.52/251,545.80
  6. Step 6: Final answer
    x = 234,649.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.