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Finding the Fourth Proportional to 202,522.75, 279,497.74 and 111,886.63

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Solution

The fourth proportional to 202,522.75, 279,497.74 and 111,886.63 is: 154,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,522.75 : 279,497.74 = 111,886.63 : x
  2. Step 2: Convert to fraction form
    202,522.75/279,497.74 = 111,886.63/x
  3. Step 3: Cross multiply
    202,522.75x = 279,497.74 × 111,886.63
  4. Step 4: Simplify right side
    202,522.75x = 31,272,061,024.72
  5. Step 5: Solve for x
    x = 31,272,061,024.72/202,522.75
  6. Step 6: Final answer
    x = 154,412.59

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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.