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Finding the Fourth Proportional to 202,398.04, 279,307.98 and 111,759.76

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Solution

The fourth proportional to 202,398.04, 279,307.98 and 111,759.76 is: 154,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,398.04 : 279,307.98 = 111,759.76 : x
  2. Step 2: Convert to fraction form
    202,398.04/279,307.98 = 111,759.76/x
  3. Step 3: Cross multiply
    202,398.04x = 279,307.98 × 111,759.76
  4. Step 4: Simplify right side
    202,398.04x = 31,215,392,810.88
  5. Step 5: Solve for x
    x = 31,215,392,810.88/202,398.04
  6. Step 6: Final answer
    x = 154,227.74

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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.