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Finding the Fourth Proportional to 223,084.33, 334,630.44 and 81,030.38

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Solution

The fourth proportional to 223,084.33, 334,630.44 and 81,030.38 is: 121,547.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,084.33 : 334,630.44 = 81,030.38 : x
  2. Step 2: Convert to fraction form
    223,084.33/334,630.44 = 81,030.38/x
  3. Step 3: Cross multiply
    223,084.33x = 334,630.44 × 81,030.38
  4. Step 4: Simplify right side
    223,084.33x = 27,115,230,039.62
  5. Step 5: Solve for x
    x = 27,115,230,039.62/223,084.33
  6. Step 6: Final answer
    x = 121,547.00

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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.