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Finding the Fourth Proportional to 101,599.22, 140,211.96 and 61,312.34

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Solution

The fourth proportional to 101,599.22, 140,211.96 and 61,312.34 is: 84,614.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,599.22 : 140,211.96 = 61,312.34 : x
  2. Step 2: Convert to fraction form
    101,599.22/140,211.96 = 61,312.34/x
  3. Step 3: Cross multiply
    101,599.22x = 140,211.96 × 61,312.34
  4. Step 4: Simplify right side
    101,599.22x = 8,596,723,363.59
  5. Step 5: Solve for x
    x = 8,596,723,363.59/101,599.22
  6. Step 6: Final answer
    x = 84,614.07

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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.