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Finding the Fourth Proportional to 188,533.57, 260,149.26 and 110,963.11

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Solution

The fourth proportional to 188,533.57, 260,149.26 and 110,963.11 is: 153,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,533.57 : 260,149.26 = 110,963.11 : x
  2. Step 2: Convert to fraction form
    188,533.57/260,149.26 = 110,963.11/x
  3. Step 3: Cross multiply
    188,533.57x = 260,149.26 × 110,963.11
  4. Step 4: Simplify right side
    188,533.57x = 28,866,970,953.80
  5. Step 5: Solve for x
    x = 28,866,970,953.80/188,533.57
  6. Step 6: Final answer
    x = 153,113.16

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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.