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Finding the Fourth Proportional to 210,753.39, 316,181.93 and 148,545.39

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Solution

The fourth proportional to 210,753.39, 316,181.93 and 148,545.39 is: 222,854.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,753.39 : 316,181.93 = 148,545.39 : x
  2. Step 2: Convert to fraction form
    210,753.39/316,181.93 = 148,545.39/x
  3. Step 3: Cross multiply
    210,753.39x = 316,181.93 × 148,545.39
  4. Step 4: Simplify right side
    210,753.39x = 46,967,367,360.08
  5. Step 5: Solve for x
    x = 46,967,367,360.08/210,753.39
  6. Step 6: Final answer
    x = 222,854.62

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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.