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Finding the Fourth Proportional to 202,521.69, 279,496.64 and 116,508.60

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Solution

The fourth proportional to 202,521.69, 279,496.64 and 116,508.60 is: 160,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,521.69 : 279,496.64 = 116,508.60 : x
  2. Step 2: Convert to fraction form
    202,521.69/279,496.64 = 116,508.60/x
  3. Step 3: Cross multiply
    202,521.69x = 279,496.64 × 116,508.60
  4. Step 4: Simplify right side
    202,521.69x = 32,563,762,522.38
  5. Step 5: Solve for x
    x = 32,563,762,522.38/202,521.69
  6. Step 6: Final answer
    x = 160,791.48

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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.