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Finding the Fourth Proportional to 101,569.32, 140,163.93 and 56,246.32

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Solution

The fourth proportional to 101,569.32, 140,163.93 and 56,246.32 is: 77,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,569.32 : 140,163.93 = 56,246.32 : x
  2. Step 2: Convert to fraction form
    101,569.32/140,163.93 = 56,246.32/x
  3. Step 3: Cross multiply
    101,569.32x = 140,163.93 × 56,246.32
  4. Step 4: Simplify right side
    101,569.32x = 7,883,705,259.24
  5. Step 5: Solve for x
    x = 7,883,705,259.24/101,569.32
  6. Step 6: Final answer
    x = 77,618.96

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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.