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Finding the Fourth Proportional to 247,564.98, 371,287.71 and 114,317.15

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Solution

The fourth proportional to 247,564.98, 371,287.71 and 114,317.15 is: 171,448.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,564.98 : 371,287.71 = 114,317.15 : x
  2. Step 2: Convert to fraction form
    247,564.98/371,287.71 = 114,317.15/x
  3. Step 3: Cross multiply
    247,564.98x = 371,287.71 × 114,317.15
  4. Step 4: Simplify right side
    247,564.98x = 42,444,550,980.79
  5. Step 5: Solve for x
    x = 42,444,550,980.79/247,564.98
  6. Step 6: Final answer
    x = 171,448.12

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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.