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Finding the Fourth Proportional to 202,275.82, 279,143.58 and 111,636.01

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Solution

The fourth proportional to 202,275.82, 279,143.58 and 111,636.01 is: 154,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,275.82 : 279,143.58 = 111,636.01 : x
  2. Step 2: Convert to fraction form
    202,275.82/279,143.58 = 111,636.01/x
  3. Step 3: Cross multiply
    202,275.82x = 279,143.58 × 111,636.01
  4. Step 4: Simplify right side
    202,275.82x = 31,162,475,488.32
  5. Step 5: Solve for x
    x = 31,162,475,488.32/202,275.82
  6. Step 6: Final answer
    x = 154,059.32

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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.