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Finding the Fourth Proportional to 118,416.87, 177,719.58 and 62,289.72

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Solution

The fourth proportional to 118,416.87, 177,719.58 and 62,289.72 is: 93,484.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,416.87 : 177,719.58 = 62,289.72 : x
  2. Step 2: Convert to fraction form
    118,416.87/177,719.58 = 62,289.72/x
  3. Step 3: Cross multiply
    118,416.87x = 177,719.58 × 62,289.72
  4. Step 4: Simplify right side
    118,416.87x = 11,070,102,876.72
  5. Step 5: Solve for x
    x = 11,070,102,876.72/118,416.87
  6. Step 6: Final answer
    x = 93,484.17

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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.