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Finding the Fourth Proportional to 374,851.90, 562,277.88 and 108,612.60

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Solution

The fourth proportional to 374,851.90, 562,277.88 and 108,612.60 is: 162,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,851.90 : 562,277.88 = 108,612.60 : x
  2. Step 2: Convert to fraction form
    374,851.90/562,277.88 = 108,612.60/x
  3. Step 3: Cross multiply
    374,851.90x = 562,277.88 × 108,612.60
  4. Step 4: Simplify right side
    374,851.90x = 61,070,462,469.29
  5. Step 5: Solve for x
    x = 61,070,462,469.29/374,851.90
  6. Step 6: Final answer
    x = 162,918.91

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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.