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Finding the Fourth Proportional to 173,732.92, 239,710.08 and 105,749.16

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Solution

The fourth proportional to 173,732.92, 239,710.08 and 105,749.16 is: 145,908.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,732.92 : 239,710.08 = 105,749.16 : x
  2. Step 2: Convert to fraction form
    173,732.92/239,710.08 = 105,749.16/x
  3. Step 3: Cross multiply
    173,732.92x = 239,710.08 × 105,749.16
  4. Step 4: Simplify right side
    173,732.92x = 25,349,139,603.53
  5. Step 5: Solve for x
    x = 25,349,139,603.53/173,732.92
  6. Step 6: Final answer
    x = 145,908.67

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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.