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Finding the Fourth Proportional to 80,355.60, 110,888.82 and 46,364.16

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Solution

The fourth proportional to 80,355.60, 110,888.82 and 46,364.16 is: 63,981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,355.60 : 110,888.82 = 46,364.16 : x
  2. Step 2: Convert to fraction form
    80,355.60/110,888.82 = 46,364.16/x
  3. Step 3: Cross multiply
    80,355.60x = 110,888.82 × 46,364.16
  4. Step 4: Simplify right side
    80,355.60x = 5,141,266,992.69
  5. Step 5: Solve for x
    x = 5,141,266,992.69/80,355.60
  6. Step 6: Final answer
    x = 63,981.44

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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.