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Finding the Fourth Proportional to 156,608.87, 216,117.90 and 92,085.39

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Solution

The fourth proportional to 156,608.87, 216,117.90 and 92,085.39 is: 127,076.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,608.87 : 216,117.90 = 92,085.39 : x
  2. Step 2: Convert to fraction form
    156,608.87/216,117.90 = 92,085.39/x
  3. Step 3: Cross multiply
    156,608.87x = 216,117.90 × 92,085.39
  4. Step 4: Simplify right side
    156,608.87x = 19,901,301,107.48
  5. Step 5: Solve for x
    x = 19,901,301,107.48/156,608.87
  6. Step 6: Final answer
    x = 127,076.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.