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Finding the Fourth Proportional to 157,597.20, 236,428.20 and 52,491.60

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Solution

The fourth proportional to 157,597.20, 236,428.20 and 52,491.60 is: 78,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,597.20 : 236,428.20 = 52,491.60 : x
  2. Step 2: Convert to fraction form
    157,597.20/236,428.20 = 52,491.60/x
  3. Step 3: Cross multiply
    157,597.20x = 236,428.20 × 52,491.60
  4. Step 4: Simplify right side
    157,597.20x = 12,410,494,503.12
  5. Step 5: Solve for x
    x = 12,410,494,503.12/157,597.20
  6. Step 6: Final answer
    x = 78,748.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.