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Finding the Fourth Proportional to 125,806.17, 188,703.15 and 46,914.27

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Solution

The fourth proportional to 125,806.17, 188,703.15 and 46,914.27 is: 70,369.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,806.17 : 188,703.15 = 46,914.27 : x
  2. Step 2: Convert to fraction form
    125,806.17/188,703.15 = 46,914.27/x
  3. Step 3: Cross multiply
    125,806.17x = 188,703.15 × 46,914.27
  4. Step 4: Simplify right side
    125,806.17x = 8,852,870,528.95
  5. Step 5: Solve for x
    x = 8,852,870,528.95/125,806.17
  6. Step 6: Final answer
    x = 70,369.13

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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.