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Finding the Fourth Proportional to 357,423.01, 536,238.27 and 144,080.82

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Solution

The fourth proportional to 357,423.01, 536,238.27 and 144,080.82 is: 216,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,423.01 : 536,238.27 = 144,080.82 : x
  2. Step 2: Convert to fraction form
    357,423.01/536,238.27 = 144,080.82/x
  3. Step 3: Cross multiply
    357,423.01x = 536,238.27 × 144,080.82
  4. Step 4: Simplify right side
    357,423.01x = 77,261,649,656.98
  5. Step 5: Solve for x
    x = 77,261,649,656.98/357,423.01
  6. Step 6: Final answer
    x = 216,163.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.