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Finding the Fourth Proportional to 101,566.82, 140,160.48 and 56,243.82

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Solution

The fourth proportional to 101,566.82, 140,160.48 and 56,243.82 is: 77,615.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,566.82 : 140,160.48 = 56,243.82 : x
  2. Step 2: Convert to fraction form
    101,566.82/140,160.48 = 56,243.82/x
  3. Step 3: Cross multiply
    101,566.82x = 140,160.48 × 56,243.82
  4. Step 4: Simplify right side
    101,566.82x = 7,883,160,808.23
  5. Step 5: Solve for x
    x = 7,883,160,808.23/101,566.82
  6. Step 6: Final answer
    x = 77,615.52

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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.