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Finding the Fourth Proportional to 202,161.04, 279,082.20 and 156,736.24

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Solution

The fourth proportional to 202,161.04, 279,082.20 and 156,736.24 is: 216,373.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,161.04 : 279,082.20 = 156,736.24 : x
  2. Step 2: Convert to fraction form
    202,161.04/279,082.20 = 156,736.24/x
  3. Step 3: Cross multiply
    202,161.04x = 279,082.20 × 156,736.24
  4. Step 4: Simplify right side
    202,161.04x = 43,742,294,678.93
  5. Step 5: Solve for x
    x = 43,742,294,678.93/202,161.04
  6. Step 6: Final answer
    x = 216,373.51

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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.