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Finding the Fourth Proportional to 112,101.80, 167,925.90 and 69,852.20

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Solution

The fourth proportional to 112,101.80, 167,925.90 and 69,852.20 is: 104,636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,101.80 : 167,925.90 = 69,852.20 : x
  2. Step 2: Convert to fraction form
    112,101.80/167,925.90 = 69,852.20/x
  3. Step 3: Cross multiply
    112,101.80x = 167,925.90 × 69,852.20
  4. Step 4: Simplify right side
    112,101.80x = 11,729,993,551.98
  5. Step 5: Solve for x
    x = 11,729,993,551.98/112,101.80
  6. Step 6: Final answer
    x = 104,636.98

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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.