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Finding the Fourth Proportional to 357,212.60, 535,073.70 and 167,834.60

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Solution

The fourth proportional to 357,212.60, 535,073.70 and 167,834.60 is: 251,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,212.60 : 535,073.70 = 167,834.60 : x
  2. Step 2: Convert to fraction form
    357,212.60/535,073.70 = 167,834.60/x
  3. Step 3: Cross multiply
    357,212.60x = 535,073.70 × 167,834.60
  4. Step 4: Simplify right side
    357,212.60x = 89,803,880,410.02
  5. Step 5: Solve for x
    x = 89,803,880,410.02/357,212.60
  6. Step 6: Final answer
    x = 251,401.77

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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.