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Finding the Fourth Proportional to 98,305.50, 135,623.08 and 60,514.14

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Solution

The fourth proportional to 98,305.50, 135,623.08 and 60,514.14 is: 83,485.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,305.50 : 135,623.08 = 60,514.14 : x
  2. Step 2: Convert to fraction form
    98,305.50/135,623.08 = 60,514.14/x
  3. Step 3: Cross multiply
    98,305.50x = 135,623.08 × 60,514.14
  4. Step 4: Simplify right side
    98,305.50x = 8,207,114,050.35
  5. Step 5: Solve for x
    x = 8,207,114,050.35/98,305.50
  6. Step 6: Final answer
    x = 83,485.81

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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.