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Finding the Fourth Proportional to 111,773.64, 154,234.70 and 64,024.14

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Solution

The fourth proportional to 111,773.64, 154,234.70 and 64,024.14 is: 88,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,773.64 : 154,234.70 = 64,024.14 : x
  2. Step 2: Convert to fraction form
    111,773.64/154,234.70 = 64,024.14/x
  3. Step 3: Cross multiply
    111,773.64x = 154,234.70 × 64,024.14
  4. Step 4: Simplify right side
    111,773.64x = 9,874,744,025.66
  5. Step 5: Solve for x
    x = 9,874,744,025.66/111,773.64
  6. Step 6: Final answer
    x = 88,345.91

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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.