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Finding the Fourth Proportional to 77,963.50, 107,539.41 and 46,110.25

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Solution

The fourth proportional to 77,963.50, 107,539.41 and 46,110.25 is: 63,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,963.50 : 107,539.41 = 46,110.25 : x
  2. Step 2: Convert to fraction form
    77,963.50/107,539.41 = 46,110.25/x
  3. Step 3: Cross multiply
    77,963.50x = 107,539.41 × 46,110.25
  4. Step 4: Simplify right side
    77,963.50x = 4,958,669,079.95
  5. Step 5: Solve for x
    x = 4,958,669,079.95/77,963.50
  6. Step 6: Final answer
    x = 63,602.44

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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.