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Finding the Fourth Proportional to 73,373.40, 110,060.10 and 68,999.40

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Solution

The fourth proportional to 73,373.40, 110,060.10 and 68,999.40 is: 103,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,373.40 : 110,060.10 = 68,999.40 : x
  2. Step 2: Convert to fraction form
    73,373.40/110,060.10 = 68,999.40/x
  3. Step 3: Cross multiply
    73,373.40x = 110,060.10 × 68,999.40
  4. Step 4: Simplify right side
    73,373.40x = 7,594,080,863.94
  5. Step 5: Solve for x
    x = 7,594,080,863.94/73,373.40
  6. Step 6: Final answer
    x = 103,499.10

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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.