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Finding the Fourth Proportional to 109,252.64, 150,783.01 and 61,515.29

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Solution

The fourth proportional to 109,252.64, 150,783.01 and 61,515.29 is: 84,899.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,252.64 : 150,783.01 = 61,515.29 : x
  2. Step 2: Convert to fraction form
    109,252.64/150,783.01 = 61,515.29/x
  3. Step 3: Cross multiply
    109,252.64x = 150,783.01 × 61,515.29
  4. Step 4: Simplify right side
    109,252.64x = 9,275,460,587.22
  5. Step 5: Solve for x
    x = 9,275,460,587.22/109,252.64
  6. Step 6: Final answer
    x = 84,899.19

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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.