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Finding the Fourth Proportional to 260,219.61, 359,116.61 and 158,228.46

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Solution

The fourth proportional to 260,219.61, 359,116.61 and 158,228.46 is: 218,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,219.61 : 359,116.61 = 158,228.46 : x
  2. Step 2: Convert to fraction form
    260,219.61/359,116.61 = 158,228.46/x
  3. Step 3: Cross multiply
    260,219.61x = 359,116.61 × 158,228.46
  4. Step 4: Simplify right side
    260,219.61x = 56,822,467,369.58
  5. Step 5: Solve for x
    x = 56,822,467,369.58/260,219.61
  6. Step 6: Final answer
    x = 218,363.51

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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.