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Finding the Fourth Proportional to 248,475.40, 372,761.70 and 106,320.40

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Solution

The fourth proportional to 248,475.40, 372,761.70 and 106,320.40 is: 159,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,475.40 : 372,761.70 = 106,320.40 : x
  2. Step 2: Convert to fraction form
    248,475.40/372,761.70 = 106,320.40/x
  3. Step 3: Cross multiply
    248,475.40x = 372,761.70 × 106,320.40
  4. Step 4: Simplify right side
    248,475.40x = 39,632,173,048.68
  5. Step 5: Solve for x
    x = 39,632,173,048.68/248,475.40
  6. Step 6: Final answer
    x = 159,501.40

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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.