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Finding the Fourth Proportional to 191,012.80, 286,125.44 and 111,887.14

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Solution

The fourth proportional to 191,012.80, 286,125.44 and 111,887.14 is: 167,600.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,012.80 : 286,125.44 = 111,887.14 : x
  2. Step 2: Convert to fraction form
    191,012.80/286,125.44 = 111,887.14/x
  3. Step 3: Cross multiply
    191,012.80x = 286,125.44 × 111,887.14
  4. Step 4: Simplify right side
    191,012.80x = 32,013,757,162.84
  5. Step 5: Solve for x
    x = 32,013,757,162.84/191,012.80
  6. Step 6: Final answer
    x = 167,600.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.