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Finding the Fourth Proportional to 254,875.86, 351,737.67 and 140,163.22

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Solution

The fourth proportional to 254,875.86, 351,737.67 and 140,163.22 is: 193,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,875.86 : 351,737.67 = 140,163.22 : x
  2. Step 2: Convert to fraction form
    254,875.86/351,737.67 = 140,163.22/x
  3. Step 3: Cross multiply
    254,875.86x = 351,737.67 × 140,163.22
  4. Step 4: Simplify right side
    254,875.86x = 49,300,684,422.50
  5. Step 5: Solve for x
    x = 49,300,684,422.50/254,875.86
  6. Step 6: Final answer
    x = 193,430.18

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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.