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Finding the Fourth Proportional to 112,802.40, 169,190.80 and 29,702.88

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Solution

The fourth proportional to 112,802.40, 169,190.80 and 29,702.88 is: 44,550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,802.40 : 169,190.80 = 29,702.88 : x
  2. Step 2: Convert to fraction form
    112,802.40/169,190.80 = 29,702.88/x
  3. Step 3: Cross multiply
    112,802.40x = 169,190.80 × 29,702.88
  4. Step 4: Simplify right side
    112,802.40x = 5,025,454,029.50
  5. Step 5: Solve for x
    x = 5,025,454,029.50/112,802.40
  6. Step 6: Final answer
    x = 44,550.95

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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.