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Finding the Fourth Proportional to 220,295.74, 304,023.16 and 124,803.22

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Solution

The fourth proportional to 220,295.74, 304,023.16 and 124,803.22 is: 172,236.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,295.74 : 304,023.16 = 124,803.22 : x
  2. Step 2: Convert to fraction form
    220,295.74/304,023.16 = 124,803.22/x
  3. Step 3: Cross multiply
    220,295.74x = 304,023.16 × 124,803.22
  4. Step 4: Simplify right side
    220,295.74x = 37,943,069,322.58
  5. Step 5: Solve for x
    x = 37,943,069,322.58/220,295.74
  6. Step 6: Final answer
    x = 172,236.96

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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.