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Finding the Fourth Proportional to 118,985.48, 178,504.62 and 35,873.48

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Solution

The fourth proportional to 118,985.48, 178,504.62 and 35,873.48 is: 53,818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,985.48 : 178,504.62 = 35,873.48 : x
  2. Step 2: Convert to fraction form
    118,985.48/178,504.62 = 35,873.48/x
  3. Step 3: Cross multiply
    118,985.48x = 178,504.62 × 35,873.48
  4. Step 4: Simplify right side
    118,985.48x = 6,403,581,915.48
  5. Step 5: Solve for x
    x = 6,403,581,915.48/118,985.48
  6. Step 6: Final answer
    x = 53,818.18

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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.