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Finding the Fourth Proportional to 156,404.69, 234,607.03 and 56,541.52

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Solution

The fourth proportional to 156,404.69, 234,607.03 and 56,541.52 is: 84,812.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,404.69 : 234,607.03 = 56,541.52 : x
  2. Step 2: Convert to fraction form
    156,404.69/234,607.03 = 56,541.52/x
  3. Step 3: Cross multiply
    156,404.69x = 234,607.03 × 56,541.52
  4. Step 4: Simplify right side
    156,404.69x = 13,265,037,351.01
  5. Step 5: Solve for x
    x = 13,265,037,351.01/156,404.69
  6. Step 6: Final answer
    x = 84,812.28

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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.