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Finding the Fourth Proportional to 118,245.76, 177,214.62 and 48,043

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Solution

The fourth proportional to 118,245.76, 177,214.62 and 48,043 is: 72,001.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,245.76 : 177,214.62 = 48,043 : x
  2. Step 2: Convert to fraction form
    118,245.76/177,214.62 = 48,043/x
  3. Step 3: Cross multiply
    118,245.76x = 177,214.62 × 48,043
  4. Step 4: Simplify right side
    118,245.76x = 8,513,921,988.66
  5. Step 5: Solve for x
    x = 8,513,921,988.66/118,245.76
  6. Step 6: Final answer
    x = 72,001.92

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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.