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Finding the Fourth Proportional to 178,059.72, 245,712.72 and 97,471.67

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Solution

The fourth proportional to 178,059.72, 245,712.72 and 97,471.67 is: 134,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,059.72 : 245,712.72 = 97,471.67 : x
  2. Step 2: Convert to fraction form
    178,059.72/245,712.72 = 97,471.67/x
  3. Step 3: Cross multiply
    178,059.72x = 245,712.72 × 97,471.67
  4. Step 4: Simplify right side
    178,059.72x = 23,950,029,158.64
  5. Step 5: Solve for x
    x = 23,950,029,158.64/178,059.72
  6. Step 6: Final answer
    x = 134,505.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.