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Finding the Fourth Proportional to 250,692.30, 375,710.40 and 100,809.90

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Solution

The fourth proportional to 250,692.30, 375,710.40 and 100,809.90 is: 151,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,692.30 : 375,710.40 = 100,809.90 : x
  2. Step 2: Convert to fraction form
    250,692.30/375,710.40 = 100,809.90/x
  3. Step 3: Cross multiply
    250,692.30x = 375,710.40 × 100,809.90
  4. Step 4: Simplify right side
    250,692.30x = 37,875,327,852.96
  5. Step 5: Solve for x
    x = 37,875,327,852.96/250,692.30
  6. Step 6: Final answer
    x = 151,082.93

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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.