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Finding the Fourth Proportional to 156,684.93, 234,866.51 and 61,876.68

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Solution

The fourth proportional to 156,684.93, 234,866.51 and 61,876.68 is: 92,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,684.93 : 234,866.51 = 61,876.68 : x
  2. Step 2: Convert to fraction form
    156,684.93/234,866.51 = 61,876.68/x
  3. Step 3: Cross multiply
    156,684.93x = 234,866.51 × 61,876.68
  4. Step 4: Simplify right side
    156,684.93x = 14,532,759,881.99
  5. Step 5: Solve for x
    x = 14,532,759,881.99/156,684.93
  6. Step 6: Final answer
    x = 92,751.48

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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.