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Finding the Fourth Proportional to 188,337.32, 259,953.68 and 116,778.68

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Solution

The fourth proportional to 188,337.32, 259,953.68 and 116,778.68 is: 161,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,337.32 : 259,953.68 = 116,778.68 : x
  2. Step 2: Convert to fraction form
    188,337.32/259,953.68 = 116,778.68/x
  3. Step 3: Cross multiply
    188,337.32x = 259,953.68 × 116,778.68
  4. Step 4: Simplify right side
    188,337.32x = 30,357,045,727.88
  5. Step 5: Solve for x
    x = 30,357,045,727.88/188,337.32
  6. Step 6: Final answer
    x = 161,184.45

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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.