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Finding the Fourth Proportional to 70,450.54, 97,252.77 and 49,312.78

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Solution

The fourth proportional to 70,450.54, 97,252.77 and 49,312.78 is: 68,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,450.54 : 97,252.77 = 49,312.78 : x
  2. Step 2: Convert to fraction form
    70,450.54/97,252.77 = 49,312.78/x
  3. Step 3: Cross multiply
    70,450.54x = 97,252.77 × 49,312.78
  4. Step 4: Simplify right side
    70,450.54x = 4,795,804,451.40
  5. Step 5: Solve for x
    x = 4,795,804,451.40/70,450.54
  6. Step 6: Final answer
    x = 68,073.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.