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Finding the Fourth Proportional to 163,933.80, 245,900.70 and 100,948.20

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Solution

The fourth proportional to 163,933.80, 245,900.70 and 100,948.20 is: 151,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,933.80 : 245,900.70 = 100,948.20 : x
  2. Step 2: Convert to fraction form
    163,933.80/245,900.70 = 100,948.20/x
  3. Step 3: Cross multiply
    163,933.80x = 245,900.70 × 100,948.20
  4. Step 4: Simplify right side
    163,933.80x = 24,823,233,043.74
  5. Step 5: Solve for x
    x = 24,823,233,043.74/163,933.80
  6. Step 6: Final answer
    x = 151,422.30

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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.