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Finding the Fourth Proportional to 176,749.92, 265,068.72 and 58,399.20

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Solution

The fourth proportional to 176,749.92, 265,068.72 and 58,399.20 is: 87,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,749.92 : 265,068.72 = 58,399.20 : x
  2. Step 2: Convert to fraction form
    176,749.92/265,068.72 = 58,399.20/x
  3. Step 3: Cross multiply
    176,749.92x = 265,068.72 × 58,399.20
  4. Step 4: Simplify right side
    176,749.92x = 15,479,801,193.02
  5. Step 5: Solve for x
    x = 15,479,801,193.02/176,749.92
  6. Step 6: Final answer
    x = 87,580.24

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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.