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Finding the Fourth Proportional to 174,402.35, 261,551.53 and 67,802.87

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Solution

The fourth proportional to 174,402.35, 261,551.53 and 67,802.87 is: 101,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,402.35 : 261,551.53 = 67,802.87 : x
  2. Step 2: Convert to fraction form
    174,402.35/261,551.53 = 67,802.87/x
  3. Step 3: Cross multiply
    174,402.35x = 261,551.53 × 67,802.87
  4. Step 4: Simplify right side
    174,402.35x = 17,733,945,125.52
  5. Step 5: Solve for x
    x = 17,733,945,125.52/174,402.35
  6. Step 6: Final answer
    x = 101,684.10

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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.