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Finding the Fourth Proportional to 247,884.88, 371,752.80 and 70,406.32

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Solution

The fourth proportional to 247,884.88, 371,752.80 and 70,406.32 is: 105,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,884.88 : 371,752.80 = 70,406.32 : x
  2. Step 2: Convert to fraction form
    247,884.88/371,752.80 = 70,406.32/x
  3. Step 3: Cross multiply
    247,884.88x = 371,752.80 × 70,406.32
  4. Step 4: Simplify right side
    247,884.88x = 26,173,746,597.70
  5. Step 5: Solve for x
    x = 26,173,746,597.70/247,884.88
  6. Step 6: Final answer
    x = 105,588.31

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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.