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Finding the Fourth Proportional to 247,461.60, 371,151.12 and 69,928.08

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Solution

The fourth proportional to 247,461.60, 371,151.12 and 69,928.08 is: 104,880.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,461.60 : 371,151.12 = 69,928.08 : x
  2. Step 2: Convert to fraction form
    247,461.60/371,151.12 = 69,928.08/x
  3. Step 3: Cross multiply
    247,461.60x = 371,151.12 × 69,928.08
  4. Step 4: Simplify right side
    247,461.60x = 25,953,885,211.45
  5. Step 5: Solve for x
    x = 25,953,885,211.45/247,461.60
  6. Step 6: Final answer
    x = 104,880.46

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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.