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Finding the Fourth Proportional to 268,599.34, 402,957.65 and 88,692.67

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Solution

The fourth proportional to 268,599.34, 402,957.65 and 88,692.67 is: 133,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,599.34 : 402,957.65 = 88,692.67 : x
  2. Step 2: Convert to fraction form
    268,599.34/402,957.65 = 88,692.67/x
  3. Step 3: Cross multiply
    268,599.34x = 402,957.65 × 88,692.67
  4. Step 4: Simplify right side
    268,599.34x = 35,739,389,875.43
  5. Step 5: Solve for x
    x = 35,739,389,875.43/268,599.34
  6. Step 6: Final answer
    x = 133,058.37

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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.