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Finding the Fourth Proportional to 164,902.80, 247,451.40 and 108,904.80

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Solution

The fourth proportional to 164,902.80, 247,451.40 and 108,904.80 is: 163,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,902.80 : 247,451.40 = 108,904.80 : x
  2. Step 2: Convert to fraction form
    164,902.80/247,451.40 = 108,904.80/x
  3. Step 3: Cross multiply
    164,902.80x = 247,451.40 × 108,904.80
  4. Step 4: Simplify right side
    164,902.80x = 26,948,645,226.72
  5. Step 5: Solve for x
    x = 26,948,645,226.72/164,902.80
  6. Step 6: Final answer
    x = 163,421.39

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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.