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Finding the Fourth Proportional to 357,269.39, 536,009.36 and 143,927.52

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Solution

The fourth proportional to 357,269.39, 536,009.36 and 143,927.52 is: 215,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,269.39 : 536,009.36 = 143,927.52 : x
  2. Step 2: Convert to fraction form
    357,269.39/536,009.36 = 143,927.52/x
  3. Step 3: Cross multiply
    357,269.39x = 536,009.36 × 143,927.52
  4. Step 4: Simplify right side
    357,269.39x = 77,146,497,881.59
  5. Step 5: Solve for x
    x = 77,146,497,881.59/357,269.39
  6. Step 6: Final answer
    x = 215,933.69

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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.