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Finding the Fourth Proportional to 156,273.94, 234,417.38 and 45,465.94

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Solution

The fourth proportional to 156,273.94, 234,417.38 and 45,465.94 is: 68,200.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,273.94 : 234,417.38 = 45,465.94 : x
  2. Step 2: Convert to fraction form
    156,273.94/234,417.38 = 45,465.94/x
  3. Step 3: Cross multiply
    156,273.94x = 234,417.38 × 45,465.94
  4. Step 4: Simplify right side
    156,273.94x = 10,658,006,534.04
  5. Step 5: Solve for x
    x = 10,658,006,534.04/156,273.94
  6. Step 6: Final answer
    x = 68,200.79

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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.