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Finding the Fourth Proportional to 247,569.40, 371,354.10 and 70,074.10

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Solution

The fourth proportional to 247,569.40, 371,354.10 and 70,074.10 is: 105,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,569.40 : 371,354.10 = 70,074.10 : x
  2. Step 2: Convert to fraction form
    247,569.40/371,354.10 = 70,074.10/x
  3. Step 3: Cross multiply
    247,569.40x = 371,354.10 × 70,074.10
  4. Step 4: Simplify right side
    247,569.40x = 26,022,304,338.81
  5. Step 5: Solve for x
    x = 26,022,304,338.81/247,569.40
  6. Step 6: Final answer
    x = 105,111.15

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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.