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Finding the Fourth Proportional to 222,547.76, 307,067.40 and 131,858.40

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Solution

The fourth proportional to 222,547.76, 307,067.40 and 131,858.40 is: 181,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,547.76 : 307,067.40 = 131,858.40 : x
  2. Step 2: Convert to fraction form
    222,547.76/307,067.40 = 131,858.40/x
  3. Step 3: Cross multiply
    222,547.76x = 307,067.40 × 131,858.40
  4. Step 4: Simplify right side
    222,547.76x = 40,489,416,056.16
  5. Step 5: Solve for x
    x = 40,489,416,056.16/222,547.76
  6. Step 6: Final answer
    x = 181,935.85

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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.