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Finding the Fourth Proportional to 125,501.31, 188,325.41 and 46,669.95

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Solution

The fourth proportional to 125,501.31, 188,325.41 and 46,669.95 is: 70,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,501.31 : 188,325.41 = 46,669.95 : x
  2. Step 2: Convert to fraction form
    125,501.31/188,325.41 = 46,669.95/x
  3. Step 3: Cross multiply
    125,501.31x = 188,325.41 × 46,669.95
  4. Step 4: Simplify right side
    125,501.31x = 8,789,137,235.08
  5. Step 5: Solve for x
    x = 8,789,137,235.08/125,501.31
  6. Step 6: Final answer
    x = 70,032.24

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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.