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Finding the Fourth Proportional to 156,901, 235,455.20 and 73,801.48

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Solution

The fourth proportional to 156,901, 235,455.20 and 73,801.48 is: 110,751.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,901 : 235,455.20 = 73,801.48 : x
  2. Step 2: Convert to fraction form
    156,901/235,455.20 = 73,801.48/x
  3. Step 3: Cross multiply
    156,901x = 235,455.20 × 73,801.48
  4. Step 4: Simplify right side
    156,901x = 17,376,942,233.70
  5. Step 5: Solve for x
    x = 17,376,942,233.70/156,901
  6. Step 6: Final answer
    x = 110,751.00

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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.