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Finding the Fourth Proportional to 202,301.82, 279,270.99 and 117,402.48

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Solution

The fourth proportional to 202,301.82, 279,270.99 and 117,402.48 is: 162,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,301.82 : 279,270.99 = 117,402.48 : x
  2. Step 2: Convert to fraction form
    202,301.82/279,270.99 = 117,402.48/x
  3. Step 3: Cross multiply
    202,301.82x = 279,270.99 × 117,402.48
  4. Step 4: Simplify right side
    202,301.82x = 32,787,106,818.06
  5. Step 5: Solve for x
    x = 32,787,106,818.06/202,301.82
  6. Step 6: Final answer
    x = 162,070.25

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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.