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Finding the Fourth Proportional to 229,878.90, 317,227.94 and 133,086.84

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Solution

The fourth proportional to 229,878.90, 317,227.94 and 133,086.84 is: 183,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,878.90 : 317,227.94 = 133,086.84 : x
  2. Step 2: Convert to fraction form
    229,878.90/317,227.94 = 133,086.84/x
  3. Step 3: Cross multiply
    229,878.90x = 317,227.94 × 133,086.84
  4. Step 4: Simplify right side
    229,878.90x = 42,218,864,094.31
  5. Step 5: Solve for x
    x = 42,218,864,094.31/229,878.90
  6. Step 6: Final answer
    x = 183,656.98

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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.