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Finding the Fourth Proportional to 221,783.76, 334,171.98 and 183,204.72

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Solution

The fourth proportional to 221,783.76, 334,171.98 and 183,204.72 is: 276,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,783.76 : 334,171.98 = 183,204.72 : x
  2. Step 2: Convert to fraction form
    221,783.76/334,171.98 = 183,204.72/x
  3. Step 3: Cross multiply
    221,783.76x = 334,171.98 × 183,204.72
  4. Step 4: Simplify right side
    221,783.76x = 61,221,884,027.75
  5. Step 5: Solve for x
    x = 61,221,884,027.75/221,783.76
  6. Step 6: Final answer
    x = 276,043.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.