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Finding the Fourth Proportional to 158,492.56, 237,447.24 and 99,317.20

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Solution

The fourth proportional to 158,492.56, 237,447.24 and 99,317.20 is: 148,793.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,492.56 : 237,447.24 = 99,317.20 : x
  2. Step 2: Convert to fraction form
    158,492.56/237,447.24 = 99,317.20/x
  3. Step 3: Cross multiply
    158,492.56x = 237,447.24 × 99,317.20
  4. Step 4: Simplify right side
    158,492.56x = 23,582,595,024.53
  5. Step 5: Solve for x
    x = 23,582,595,024.53/158,492.56
  6. Step 6: Final answer
    x = 148,793.07

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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.