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Finding the Fourth Proportional to 125,877.60, 188,818.92 and 46,976.10

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Solution

The fourth proportional to 125,877.60, 188,818.92 and 46,976.10 is: 70,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,877.60 : 188,818.92 = 46,976.10 : x
  2. Step 2: Convert to fraction form
    125,877.60/188,818.92 = 46,976.10/x
  3. Step 3: Cross multiply
    125,877.60x = 188,818.92 × 46,976.10
  4. Step 4: Simplify right side
    125,877.60x = 8,869,976,467.81
  5. Step 5: Solve for x
    x = 8,869,976,467.81/125,877.60
  6. Step 6: Final answer
    x = 70,465.09

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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.