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Finding the Fourth Proportional to 248,235.57, 372,411.81 and 70,745.13

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Solution

The fourth proportional to 248,235.57, 372,411.81 and 70,745.13 is: 106,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,235.57 : 372,411.81 = 70,745.13 : x
  2. Step 2: Convert to fraction form
    248,235.57/372,411.81 = 70,745.13/x
  3. Step 3: Cross multiply
    248,235.57x = 372,411.81 × 70,745.13
  4. Step 4: Simplify right side
    248,235.57x = 26,346,321,911.99
  5. Step 5: Solve for x
    x = 26,346,321,911.99/248,235.57
  6. Step 6: Final answer
    x = 106,134.35

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1.5x scale

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.