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Finding the Fourth Proportional to 79,783.34, 119,675.40 and 23,624.51

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Solution

The fourth proportional to 79,783.34, 119,675.40 and 23,624.51 is: 35,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,783.34 : 119,675.40 = 23,624.51 : x
  2. Step 2: Convert to fraction form
    79,783.34/119,675.40 = 23,624.51/x
  3. Step 3: Cross multiply
    79,783.34x = 119,675.40 × 23,624.51
  4. Step 4: Simplify right side
    79,783.34x = 2,827,272,445.87
  5. Step 5: Solve for x
    x = 2,827,272,445.87/79,783.34
  6. Step 6: Final answer
    x = 35,436.88

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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.