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Finding the Fourth Proportional to 112,891.50, 169,348.59 and 29,785.50

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Solution

The fourth proportional to 112,891.50, 169,348.59 and 29,785.50 is: 44,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,891.50 : 169,348.59 = 29,785.50 : x
  2. Step 2: Convert to fraction form
    112,891.50/169,348.59 = 29,785.50/x
  3. Step 3: Cross multiply
    112,891.50x = 169,348.59 × 29,785.50
  4. Step 4: Simplify right side
    112,891.50x = 5,044,132,427.45
  5. Step 5: Solve for x
    x = 5,044,132,427.45/112,891.50
  6. Step 6: Final answer
    x = 44,681.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.