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Finding the Fourth Proportional to 176,830.60, 265,262.10 and 71,627.80

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Solution

The fourth proportional to 176,830.60, 265,262.10 and 71,627.80 is: 107,448.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,830.60 : 265,262.10 = 71,627.80 : x
  2. Step 2: Convert to fraction form
    176,830.60/265,262.10 = 71,627.80/x
  3. Step 3: Cross multiply
    176,830.60x = 265,262.10 × 71,627.80
  4. Step 4: Simplify right side
    176,830.60x = 19,000,140,646.38
  5. Step 5: Solve for x
    x = 19,000,140,646.38/176,830.60
  6. Step 6: Final answer
    x = 107,448.26

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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.