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Finding the Fourth Proportional to 202,051.88, 278,856.90 and 116,037.84

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Solution

The fourth proportional to 202,051.88, 278,856.90 and 116,037.84 is: 160,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,051.88 : 278,856.90 = 116,037.84 : x
  2. Step 2: Convert to fraction form
    202,051.88/278,856.90 = 116,037.84/x
  3. Step 3: Cross multiply
    202,051.88x = 278,856.90 × 116,037.84
  4. Step 4: Simplify right side
    202,051.88x = 32,357,952,345.10
  5. Step 5: Solve for x
    x = 32,357,952,345.10/202,051.88
  6. Step 6: Final answer
    x = 160,146.76

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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.