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Finding the Fourth Proportional to 192,125.77, 265,132.54 and 111,573.09

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Solution

The fourth proportional to 192,125.77, 265,132.54 and 111,573.09 is: 153,970.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,125.77 : 265,132.54 = 111,573.09 : x
  2. Step 2: Convert to fraction form
    192,125.77/265,132.54 = 111,573.09/x
  3. Step 3: Cross multiply
    192,125.77x = 265,132.54 × 111,573.09
  4. Step 4: Simplify right side
    192,125.77x = 29,581,656,886.82
  5. Step 5: Solve for x
    x = 29,581,656,886.82/192,125.77
  6. Step 6: Final answer
    x = 153,970.27

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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.