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Finding the Fourth Proportional to 209,714.78, 314,550.30 and 59,945.38

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Solution

The fourth proportional to 209,714.78, 314,550.30 and 59,945.38 is: 89,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,714.78 : 314,550.30 = 59,945.38 : x
  2. Step 2: Convert to fraction form
    209,714.78/314,550.30 = 59,945.38/x
  3. Step 3: Cross multiply
    209,714.78x = 314,550.30 × 59,945.38
  4. Step 4: Simplify right side
    209,714.78x = 18,855,837,262.61
  5. Step 5: Solve for x
    x = 18,855,837,262.61/209,714.78
  6. Step 6: Final answer
    x = 89,911.82

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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.