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Finding the Fourth Proportional to 73,254.85, 110,431.32 and 68,372.32

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Solution

The fourth proportional to 73,254.85, 110,431.32 and 68,372.32 is: 103,070.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,254.85 : 110,431.32 = 68,372.32 : x
  2. Step 2: Convert to fraction form
    73,254.85/110,431.32 = 68,372.32/x
  3. Step 3: Cross multiply
    73,254.85x = 110,431.32 × 68,372.32
  4. Step 4: Simplify right side
    73,254.85x = 7,550,445,549.06
  5. Step 5: Solve for x
    x = 7,550,445,549.06/73,254.85
  6. Step 6: Final answer
    x = 103,070.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.