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Finding the Fourth Proportional to 118,265.76, 177,244.62 and 48,063

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Solution

The fourth proportional to 118,265.76, 177,244.62 and 48,063 is: 72,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,265.76 : 177,244.62 = 48,063 : x
  2. Step 2: Convert to fraction form
    118,265.76/177,244.62 = 48,063/x
  3. Step 3: Cross multiply
    118,265.76x = 177,244.62 × 48,063
  4. Step 4: Simplify right side
    118,265.76x = 8,518,908,171.06
  5. Step 5: Solve for x
    x = 8,518,908,171.06/118,265.76
  6. Step 6: Final answer
    x = 72,031.91

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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.