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Finding the Fourth Proportional to 242,143.88, 334,163.22 and 141,600.20

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Solution

The fourth proportional to 242,143.88, 334,163.22 and 141,600.20 is: 195,411.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,143.88 : 334,163.22 = 141,600.20 : x
  2. Step 2: Convert to fraction form
    242,143.88/334,163.22 = 141,600.20/x
  3. Step 3: Cross multiply
    242,143.88x = 334,163.22 × 141,600.20
  4. Step 4: Simplify right side
    242,143.88x = 47,317,578,784.64
  5. Step 5: Solve for x
    x = 47,317,578,784.64/242,143.88
  6. Step 6: Final answer
    x = 195,411.00

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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.