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Finding the Fourth Proportional to 220,299.30, 304,030.53 and 124,829.46

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Solution

The fourth proportional to 220,299.30, 304,030.53 and 124,829.46 is: 172,274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,299.30 : 304,030.53 = 124,829.46 : x
  2. Step 2: Convert to fraction form
    220,299.30/304,030.53 = 124,829.46/x
  3. Step 3: Cross multiply
    220,299.30x = 304,030.53 × 124,829.46
  4. Step 4: Simplify right side
    220,299.30x = 37,951,966,883.41
  5. Step 5: Solve for x
    x = 37,951,966,883.41/220,299.30
  6. Step 6: Final answer
    x = 172,274.57

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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.