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Finding the Fourth Proportional to 302,861.50, 417,957.51 and 168,734.14

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Solution

The fourth proportional to 302,861.50, 417,957.51 and 168,734.14 is: 232,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,861.50 : 417,957.51 = 168,734.14 : x
  2. Step 2: Convert to fraction form
    302,861.50/417,957.51 = 168,734.14/x
  3. Step 3: Cross multiply
    302,861.50x = 417,957.51 × 168,734.14
  4. Step 4: Simplify right side
    302,861.50x = 70,523,701,006.39
  5. Step 5: Solve for x
    x = 70,523,701,006.39/302,861.50
  6. Step 6: Final answer
    x = 232,857.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.