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Finding the Fourth Proportional to 125,875.79, 188,816.20 and 46,974.27

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Solution

The fourth proportional to 125,875.79, 188,816.20 and 46,974.27 is: 70,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,875.79 : 188,816.20 = 46,974.27 : x
  2. Step 2: Convert to fraction form
    125,875.79/188,816.20 = 46,974.27/x
  3. Step 3: Cross multiply
    125,875.79x = 188,816.20 × 46,974.27
  4. Step 4: Simplify right side
    125,875.79x = 8,869,503,159.17
  5. Step 5: Solve for x
    x = 8,869,503,159.17/125,875.79
  6. Step 6: Final answer
    x = 70,462.34

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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.