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Finding the Fourth Proportional to 158,692.55, 237,792.72 and 91,967.18

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Solution

The fourth proportional to 158,692.55, 237,792.72 and 91,967.18 is: 137,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,692.55 : 237,792.72 = 91,967.18 : x
  2. Step 2: Convert to fraction form
    158,692.55/237,792.72 = 91,967.18/x
  3. Step 3: Cross multiply
    158,692.55x = 237,792.72 × 91,967.18
  4. Step 4: Simplify right side
    158,692.55x = 21,869,125,882.93
  5. Step 5: Solve for x
    x = 21,869,125,882.93/158,692.55
  6. Step 6: Final answer
    x = 137,808.14

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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.