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Finding the Fourth Proportional to 367,345.64, 551,109.98 and 104,689.64

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Solution

The fourth proportional to 367,345.64, 551,109.98 and 104,689.64 is: 157,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,345.64 : 551,109.98 = 104,689.64 : x
  2. Step 2: Convert to fraction form
    367,345.64/551,109.98 = 104,689.64/x
  3. Step 3: Cross multiply
    367,345.64x = 551,109.98 × 104,689.64
  4. Step 4: Simplify right side
    367,345.64x = 57,695,505,406.61
  5. Step 5: Solve for x
    x = 57,695,505,406.61/367,345.64
  6. Step 6: Final answer
    x = 157,060.54

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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.