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Finding the Fourth Proportional to 156,696.70, 235,045.05 and 149,871.10

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Solution

The fourth proportional to 156,696.70, 235,045.05 and 149,871.10 is: 224,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,696.70 : 235,045.05 = 149,871.10 : x
  2. Step 2: Convert to fraction form
    156,696.70/235,045.05 = 149,871.10/x
  3. Step 3: Cross multiply
    156,696.70x = 235,045.05 × 149,871.10
  4. Step 4: Simplify right side
    156,696.70x = 35,226,460,193.06
  5. Step 5: Solve for x
    x = 35,226,460,193.06/156,696.70
  6. Step 6: Final answer
    x = 224,806.65

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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.