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Finding the Fourth Proportional to 213,062.64, 294,028.12 and 117,572.76

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Solution

The fourth proportional to 213,062.64, 294,028.12 and 117,572.76 is: 162,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,062.64 : 294,028.12 = 117,572.76 : x
  2. Step 2: Convert to fraction form
    213,062.64/294,028.12 = 117,572.76/x
  3. Step 3: Cross multiply
    213,062.64x = 294,028.12 × 117,572.76
  4. Step 4: Simplify right side
    213,062.64x = 34,569,697,586.01
  5. Step 5: Solve for x
    x = 34,569,697,586.01/213,062.64
  6. Step 6: Final answer
    x = 162,251.33

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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.