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Finding the Fourth Proportional to 248,264.20, 372,550.20 and 130,020.40

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Solution

The fourth proportional to 248,264.20, 372,550.20 and 130,020.40 is: 195,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,264.20 : 372,550.20 = 130,020.40 : x
  2. Step 2: Convert to fraction form
    248,264.20/372,550.20 = 130,020.40/x
  3. Step 3: Cross multiply
    248,264.20x = 372,550.20 × 130,020.40
  4. Step 4: Simplify right side
    248,264.20x = 48,439,126,024.08
  5. Step 5: Solve for x
    x = 48,439,126,024.08/248,264.20
  6. Step 6: Final answer
    x = 195,111.20

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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.