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Finding the Fourth Proportional to 104,658.91, 144,424.89 and 59,339.94

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Solution

The fourth proportional to 104,658.91, 144,424.89 and 59,339.94 is: 81,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,658.91 : 144,424.89 = 59,339.94 : x
  2. Step 2: Convert to fraction form
    104,658.91/144,424.89 = 59,339.94/x
  3. Step 3: Cross multiply
    104,658.91x = 144,424.89 × 59,339.94
  4. Step 4: Simplify right side
    104,658.91x = 8,570,163,765.51
  5. Step 5: Solve for x
    x = 8,570,163,765.51/104,658.91
  6. Step 6: Final answer
    x = 81,886.62

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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.