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Finding the Fourth Proportional to 192,053.67, 288,453.95 and 156,541.04

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Solution

The fourth proportional to 192,053.67, 288,453.95 and 156,541.04 is: 235,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,053.67 : 288,453.95 = 156,541.04 : x
  2. Step 2: Convert to fraction form
    192,053.67/288,453.95 = 156,541.04/x
  3. Step 3: Cross multiply
    192,053.67x = 288,453.95 × 156,541.04
  4. Step 4: Simplify right side
    192,053.67x = 45,154,881,325.11
  5. Step 5: Solve for x
    x = 45,154,881,325.11/192,053.67
  6. Step 6: Final answer
    x = 235,115.95

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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.