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Finding the Fourth Proportional to 109,899.75, 151,661.75 and 59,598.75

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Solution

The fourth proportional to 109,899.75, 151,661.75 and 59,598.75 is: 82,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,899.75 : 151,661.75 = 59,598.75 : x
  2. Step 2: Convert to fraction form
    109,899.75/151,661.75 = 59,598.75/x
  3. Step 3: Cross multiply
    109,899.75x = 151,661.75 × 59,598.75
  4. Step 4: Simplify right side
    109,899.75x = 9,038,850,424.82
  5. Step 5: Solve for x
    x = 9,038,850,424.82/109,899.75
  6. Step 6: Final answer
    x = 82,246.32

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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.