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Finding the Fourth Proportional to 200,051.66, 276,171.65 and 154,627.07

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Solution

The fourth proportional to 200,051.66, 276,171.65 and 154,627.07 is: 213,462.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,051.66 : 276,171.65 = 154,627.07 : x
  2. Step 2: Convert to fraction form
    200,051.66/276,171.65 = 154,627.07/x
  3. Step 3: Cross multiply
    200,051.66x = 276,171.65 × 154,627.07
  4. Step 4: Simplify right side
    200,051.66x = 42,703,610,902.57
  5. Step 5: Solve for x
    x = 42,703,610,902.57/200,051.66
  6. Step 6: Final answer
    x = 213,462.92

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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.