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Finding the Fourth Proportional to 220,264.10, 303,970.69 and 124,770.77

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Solution

The fourth proportional to 220,264.10, 303,970.69 and 124,770.77 is: 172,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,264.10 : 303,970.69 = 124,770.77 : x
  2. Step 2: Convert to fraction form
    220,264.10/303,970.69 = 124,770.77/x
  3. Step 3: Cross multiply
    220,264.10x = 303,970.69 × 124,770.77
  4. Step 4: Simplify right side
    220,264.10x = 37,926,657,048.73
  5. Step 5: Solve for x
    x = 37,926,657,048.73/220,264.10
  6. Step 6: Final answer
    x = 172,187.19

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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.