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Finding the Fourth Proportional to 101,497.66, 140,065.73 and 56,175.73

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Solution

The fourth proportional to 101,497.66, 140,065.73 and 56,175.73 is: 77,521.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,497.66 : 140,065.73 = 56,175.73 : x
  2. Step 2: Convert to fraction form
    101,497.66/140,065.73 = 56,175.73/x
  3. Step 3: Cross multiply
    101,497.66x = 140,065.73 × 56,175.73
  4. Step 4: Simplify right side
    101,497.66x = 7,868,294,630.73
  5. Step 5: Solve for x
    x = 7,868,294,630.73/101,497.66
  6. Step 6: Final answer
    x = 77,521.93

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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.