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Finding the Fourth Proportional to 112,798.39, 169,235.28 and 36,900.39

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Solution

The fourth proportional to 112,798.39, 169,235.28 and 36,900.39 is: 55,362.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,798.39 : 169,235.28 = 36,900.39 : x
  2. Step 2: Convert to fraction form
    112,798.39/169,235.28 = 36,900.39/x
  3. Step 3: Cross multiply
    112,798.39x = 169,235.28 × 36,900.39
  4. Step 4: Simplify right side
    112,798.39x = 6,244,847,833.76
  5. Step 5: Solve for x
    x = 6,244,847,833.76/112,798.39
  6. Step 6: Final answer
    x = 55,362.92

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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.