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Finding the Fourth Proportional to 220,334.30, 304,116.63 and 124,897.94

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Solution

The fourth proportional to 220,334.30, 304,116.63 and 124,897.94 is: 172,390.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,334.30 : 304,116.63 = 124,897.94 : x
  2. Step 2: Convert to fraction form
    220,334.30/304,116.63 = 124,897.94/x
  3. Step 3: Cross multiply
    220,334.30x = 304,116.63 × 124,897.94
  4. Step 4: Simplify right side
    220,334.30x = 37,983,540,606.74
  5. Step 5: Solve for x
    x = 37,983,540,606.74/220,334.30
  6. Step 6: Final answer
    x = 172,390.50

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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.