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Finding the Fourth Proportional to 247,208.40, 370,812.60 and 69,713.10

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Solution

The fourth proportional to 247,208.40, 370,812.60 and 69,713.10 is: 104,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,208.40 : 370,812.60 = 69,713.10 : x
  2. Step 2: Convert to fraction form
    247,208.40/370,812.60 = 69,713.10/x
  3. Step 3: Cross multiply
    247,208.40x = 370,812.60 × 69,713.10
  4. Step 4: Simplify right side
    247,208.40x = 25,850,495,865.06
  5. Step 5: Solve for x
    x = 25,850,495,865.06/247,208.40
  6. Step 6: Final answer
    x = 104,569.65

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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.