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Finding the Fourth Proportional to 174,261.60, 261,042.32 and 147,492.72

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Solution

The fourth proportional to 174,261.60, 261,042.32 and 147,492.72 is: 220,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,261.60 : 261,042.32 = 147,492.72 : x
  2. Step 2: Convert to fraction form
    174,261.60/261,042.32 = 147,492.72/x
  3. Step 3: Cross multiply
    174,261.60x = 261,042.32 × 147,492.72
  4. Step 4: Simplify right side
    174,261.60x = 38,501,841,811.91
  5. Step 5: Solve for x
    x = 38,501,841,811.91/174,261.60
  6. Step 6: Final answer
    x = 220,942.78

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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.