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Finding the Fourth Proportional to 80,658.40, 111,308.70 and 44,852.08

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Solution

The fourth proportional to 80,658.40, 111,308.70 and 44,852.08 is: 61,895.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,658.40 : 111,308.70 = 44,852.08 : x
  2. Step 2: Convert to fraction form
    80,658.40/111,308.70 = 44,852.08/x
  3. Step 3: Cross multiply
    80,658.40x = 111,308.70 × 44,852.08
  4. Step 4: Simplify right side
    80,658.40x = 4,992,426,717.10
  5. Step 5: Solve for x
    x = 4,992,426,717.10/80,658.40
  6. Step 6: Final answer
    x = 61,895.93

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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.