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Finding the Fourth Proportional to 146,814.60, 220,178.70 and 58,038.60

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Solution

The fourth proportional to 146,814.60, 220,178.70 and 58,038.60 is: 87,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,814.60 : 220,178.70 = 58,038.60 : x
  2. Step 2: Convert to fraction form
    146,814.60/220,178.70 = 58,038.60/x
  3. Step 3: Cross multiply
    146,814.60x = 220,178.70 × 58,038.60
  4. Step 4: Simplify right side
    146,814.60x = 12,778,863,497.82
  5. Step 5: Solve for x
    x = 12,778,863,497.82/146,814.60
  6. Step 6: Final answer
    x = 87,040.82

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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.