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Finding the Fourth Proportional to 61,113.58, 84,178.98 and 43,177.44

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Solution

The fourth proportional to 61,113.58, 84,178.98 and 43,177.44 is: 59,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,113.58 : 84,178.98 = 43,177.44 : x
  2. Step 2: Convert to fraction form
    61,113.58/84,178.98 = 43,177.44/x
  3. Step 3: Cross multiply
    61,113.58x = 84,178.98 × 43,177.44
  4. Step 4: Simplify right side
    61,113.58x = 3,634,632,858.21
  5. Step 5: Solve for x
    x = 3,634,632,858.21/61,113.58
  6. Step 6: Final answer
    x = 59,473.41

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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.