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Finding the Fourth Proportional to 77,895.61, 116,843.41 and 44,592.21

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Solution

The fourth proportional to 77,895.61, 116,843.41 and 44,592.21 is: 66,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,895.61 : 116,843.41 = 44,592.21 : x
  2. Step 2: Convert to fraction form
    77,895.61/116,843.41 = 44,592.21/x
  3. Step 3: Cross multiply
    77,895.61x = 116,843.41 × 44,592.21
  4. Step 4: Simplify right side
    77,895.61x = 5,210,305,931.58
  5. Step 5: Solve for x
    x = 5,210,305,931.58/77,895.61
  6. Step 6: Final answer
    x = 66,888.31

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1.5x scale

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.