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Finding the Fourth Proportional to 125,673.32, 188,508.32 and 30,904.32

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Solution

The fourth proportional to 125,673.32, 188,508.32 and 30,904.32 is: 46,356.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,673.32 : 188,508.32 = 30,904.32 : x
  2. Step 2: Convert to fraction form
    125,673.32/188,508.32 = 30,904.32/x
  3. Step 3: Cross multiply
    125,673.32x = 188,508.32 × 30,904.32
  4. Step 4: Simplify right side
    125,673.32x = 5,825,721,289.42
  5. Step 5: Solve for x
    x = 5,825,721,289.42/125,673.32
  6. Step 6: Final answer
    x = 46,356.07

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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.