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Finding the Fourth Proportional to 274,071.60, 411,092.82 and 87,068.52

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Solution

The fourth proportional to 274,071.60, 411,092.82 and 87,068.52 is: 130,598.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,071.60 : 411,092.82 = 87,068.52 : x
  2. Step 2: Convert to fraction form
    274,071.60/411,092.82 = 87,068.52/x
  3. Step 3: Cross multiply
    274,071.60x = 411,092.82 × 87,068.52
  4. Step 4: Simplify right side
    274,071.60x = 35,793,243,420.03
  5. Step 5: Solve for x
    x = 35,793,243,420.03/274,071.60
  6. Step 6: Final answer
    x = 130,598.15

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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.