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Finding the Fourth Proportional to 61,178.80, 91,801.64 and 23,740.34

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Solution

The fourth proportional to 61,178.80, 91,801.64 and 23,740.34 is: 35,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,178.80 : 91,801.64 = 23,740.34 : x
  2. Step 2: Convert to fraction form
    61,178.80/91,801.64 = 23,740.34/x
  3. Step 3: Cross multiply
    61,178.80x = 91,801.64 × 23,740.34
  4. Step 4: Simplify right side
    61,178.80x = 2,179,402,146.16
  5. Step 5: Solve for x
    x = 2,179,402,146.16/61,178.80
  6. Step 6: Final answer
    x = 35,623.49

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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.