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Finding the Fourth Proportional to 125,877.80, 188,816.70 and 46,998.17

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Solution

The fourth proportional to 125,877.80, 188,816.70 and 46,998.17 is: 70,497.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,877.80 : 188,816.70 = 46,998.17 : x
  2. Step 2: Convert to fraction form
    125,877.80/188,816.70 = 46,998.17/x
  3. Step 3: Cross multiply
    125,877.80x = 188,816.70 × 46,998.17
  4. Step 4: Simplify right side
    125,877.80x = 8,874,039,365.44
  5. Step 5: Solve for x
    x = 8,874,039,365.44/125,877.80
  6. Step 6: Final answer
    x = 70,497.26

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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.