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Finding the Fourth Proportional to 172,509.68, 238,060.92 and 97,058

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Solution

The fourth proportional to 172,509.68, 238,060.92 and 97,058 is: 133,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,509.68 : 238,060.92 = 97,058 : x
  2. Step 2: Convert to fraction form
    172,509.68/238,060.92 = 97,058/x
  3. Step 3: Cross multiply
    172,509.68x = 238,060.92 × 97,058
  4. Step 4: Simplify right side
    172,509.68x = 23,105,716,773.36
  5. Step 5: Solve for x
    x = 23,105,716,773.36/172,509.68
  6. Step 6: Final answer
    x = 133,938.67

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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.