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Finding the Fourth Proportional to 264,345.20, 364,786.62 and 143,483.93

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Solution

The fourth proportional to 264,345.20, 364,786.62 and 143,483.93 is: 198,002.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,345.20 : 364,786.62 = 143,483.93 : x
  2. Step 2: Convert to fraction form
    264,345.20/364,786.62 = 143,483.93/x
  3. Step 3: Cross multiply
    264,345.20x = 364,786.62 × 143,483.93
  4. Step 4: Simplify right side
    264,345.20x = 52,341,017,849.02
  5. Step 5: Solve for x
    x = 52,341,017,849.02/264,345.20
  6. Step 6: Final answer
    x = 198,002.53

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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.