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Finding the Fourth Proportional to 163,935.80, 245,903.70 and 100,950.20

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Solution

The fourth proportional to 163,935.80, 245,903.70 and 100,950.20 is: 151,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,935.80 : 245,903.70 = 100,950.20 : x
  2. Step 2: Convert to fraction form
    163,935.80/245,903.70 = 100,950.20/x
  3. Step 3: Cross multiply
    163,935.80x = 245,903.70 × 100,950.20
  4. Step 4: Simplify right side
    163,935.80x = 24,824,027,695.74
  5. Step 5: Solve for x
    x = 24,824,027,695.74/163,935.80
  6. Step 6: Final answer
    x = 151,425.30

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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.