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Finding the Fourth Proportional to 125,595.70, 188,830.95 and 106,350.10

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Solution

The fourth proportional to 125,595.70, 188,830.95 and 106,350.10 is: 159,895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,595.70 : 188,830.95 = 106,350.10 : x
  2. Step 2: Convert to fraction form
    125,595.70/188,830.95 = 106,350.10/x
  3. Step 3: Cross multiply
    125,595.70x = 188,830.95 × 106,350.10
  4. Step 4: Simplify right side
    125,595.70x = 20,082,190,415.60
  5. Step 5: Solve for x
    x = 20,082,190,415.60/125,595.70
  6. Step 6: Final answer
    x = 159,895.53

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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.