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Finding the Fourth Proportional to 293,208.30, 439,812.45 and 93,543.30

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Solution

The fourth proportional to 293,208.30, 439,812.45 and 93,543.30 is: 140,314.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,208.30 : 439,812.45 = 93,543.30 : x
  2. Step 2: Convert to fraction form
    293,208.30/439,812.45 = 93,543.30/x
  3. Step 3: Cross multiply
    293,208.30x = 439,812.45 × 93,543.30
  4. Step 4: Simplify right side
    293,208.30x = 41,141,507,954.09
  5. Step 5: Solve for x
    x = 41,141,507,954.09/293,208.30
  6. Step 6: Final answer
    x = 140,314.95

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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.