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Finding the Fourth Proportional to 207,060.30, 310,590.45 and 73,944.90

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Solution

The fourth proportional to 207,060.30, 310,590.45 and 73,944.90 is: 110,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,060.30 : 310,590.45 = 73,944.90 : x
  2. Step 2: Convert to fraction form
    207,060.30/310,590.45 = 73,944.90/x
  3. Step 3: Cross multiply
    207,060.30x = 310,590.45 × 73,944.90
  4. Step 4: Simplify right side
    207,060.30x = 22,966,579,766.21
  5. Step 5: Solve for x
    x = 22,966,579,766.21/207,060.30
  6. Step 6: Final answer
    x = 110,917.35

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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.