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Finding the Fourth Proportional to 163,924.40, 245,449.20 and 163,924.40

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Solution

The fourth proportional to 163,924.40, 245,449.20 and 163,924.40 is: 245,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,924.40 : 245,449.20 = 163,924.40 : x
  2. Step 2: Convert to fraction form
    163,924.40/245,449.20 = 163,924.40/x
  3. Step 3: Cross multiply
    163,924.40x = 245,449.20 × 163,924.40
  4. Step 4: Simplify right side
    163,924.40x = 40,235,112,840.48
  5. Step 5: Solve for x
    x = 40,235,112,840.48/163,924.40
  6. Step 6: Final answer
    x = 245,449.20

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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.