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Finding the Fourth Proportional to 125,850.68, 188,808.72 and 46,965.50

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Solution

The fourth proportional to 125,850.68, 188,808.72 and 46,965.50 is: 70,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,850.68 : 188,808.72 = 46,965.50 : x
  2. Step 2: Convert to fraction form
    125,850.68/188,808.72 = 46,965.50/x
  3. Step 3: Cross multiply
    125,850.68x = 188,808.72 × 46,965.50
  4. Step 4: Simplify right side
    125,850.68x = 8,867,495,939.16
  5. Step 5: Solve for x
    x = 8,867,495,939.16/125,850.68
  6. Step 6: Final answer
    x = 70,460.45

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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.