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Finding the Fourth Proportional to 109,058.48, 150,506.04 and 61,326.80

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Solution

The fourth proportional to 109,058.48, 150,506.04 and 61,326.80 is: 84,633.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,058.48 : 150,506.04 = 61,326.80 : x
  2. Step 2: Convert to fraction form
    109,058.48/150,506.04 = 61,326.80/x
  3. Step 3: Cross multiply
    109,058.48x = 150,506.04 × 61,326.80
  4. Step 4: Simplify right side
    109,058.48x = 9,230,053,813.87
  5. Step 5: Solve for x
    x = 9,230,053,813.87/109,058.48
  6. Step 6: Final answer
    x = 84,633.99

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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.