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Finding the Fourth Proportional to 202,454.88, 279,387.75 and 117,577.41

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Solution

The fourth proportional to 202,454.88, 279,387.75 and 117,577.41 is: 162,256.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,454.88 : 279,387.75 = 117,577.41 : x
  2. Step 2: Convert to fraction form
    202,454.88/279,387.75 = 117,577.41/x
  3. Step 3: Cross multiply
    202,454.88x = 279,387.75 × 117,577.41
  4. Step 4: Simplify right side
    202,454.88x = 32,849,688,030.73
  5. Step 5: Solve for x
    x = 32,849,688,030.73/202,454.88
  6. Step 6: Final answer
    x = 162,256.83

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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.