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Finding the Fourth Proportional to 188,154.08, 259,652.64 and 112,746.24

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Solution

The fourth proportional to 188,154.08, 259,652.64 and 112,746.24 is: 155,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,154.08 : 259,652.64 = 112,746.24 : x
  2. Step 2: Convert to fraction form
    188,154.08/259,652.64 = 112,746.24/x
  3. Step 3: Cross multiply
    188,154.08x = 259,652.64 × 112,746.24
  4. Step 4: Simplify right side
    188,154.08x = 29,274,858,866.07
  5. Step 5: Solve for x
    x = 29,274,858,866.07/188,154.08
  6. Step 6: Final answer
    x = 155,589.82

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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.