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Finding the Fourth Proportional to 163,908.80, 245,863.20 and 101,700.80

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Solution

The fourth proportional to 163,908.80, 245,863.20 and 101,700.80 is: 152,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,908.80 : 245,863.20 = 101,700.80 : x
  2. Step 2: Convert to fraction form
    163,908.80/245,863.20 = 101,700.80/x
  3. Step 3: Cross multiply
    163,908.80x = 245,863.20 × 101,700.80
  4. Step 4: Simplify right side
    163,908.80x = 25,004,484,130.56
  5. Step 5: Solve for x
    x = 25,004,484,130.56/163,908.80
  6. Step 6: Final answer
    x = 152,551.20

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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.