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Finding the Fourth Proportional to 176,690.16, 264,978.72 and 58,339.44

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Solution

The fourth proportional to 176,690.16, 264,978.72 and 58,339.44 is: 87,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,690.16 : 264,978.72 = 58,339.44 : x
  2. Step 2: Convert to fraction form
    176,690.16/264,978.72 = 58,339.44/x
  3. Step 3: Cross multiply
    176,690.16x = 264,978.72 × 58,339.44
  4. Step 4: Simplify right side
    176,690.16x = 15,458,710,136.72
  5. Step 5: Solve for x
    x = 15,458,710,136.72/176,690.16
  6. Step 6: Final answer
    x = 87,490.50

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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.