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Finding the Fourth Proportional to 124,692.34, 187,011.78 and 35,929.30

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Solution

The fourth proportional to 124,692.34, 187,011.78 and 35,929.30 is: 53,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,692.34 : 187,011.78 = 35,929.30 : x
  2. Step 2: Convert to fraction form
    124,692.34/187,011.78 = 35,929.30/x
  3. Step 3: Cross multiply
    124,692.34x = 187,011.78 × 35,929.30
  4. Step 4: Simplify right side
    124,692.34x = 6,719,202,347.15
  5. Step 5: Solve for x
    x = 6,719,202,347.15/124,692.34
  6. Step 6: Final answer
    x = 53,886.25

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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.