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Finding the Fourth Proportional to 125,850.63, 188,774.28 and 50,970.18

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Solution

The fourth proportional to 125,850.63, 188,774.28 and 50,970.18 is: 76,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,850.63 : 188,774.28 = 50,970.18 : x
  2. Step 2: Convert to fraction form
    125,850.63/188,774.28 = 50,970.18/x
  3. Step 3: Cross multiply
    125,850.63x = 188,774.28 × 50,970.18
  4. Step 4: Simplify right side
    125,850.63x = 9,621,859,030.97
  5. Step 5: Solve for x
    x = 9,621,859,030.97/125,850.63
  6. Step 6: Final answer
    x = 76,454.60

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1.5x scale

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.