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Finding the Fourth Proportional to 192,344.76, 265,390.28 and 111,724.40

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Solution

The fourth proportional to 192,344.76, 265,390.28 and 111,724.40 is: 154,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,344.76 : 265,390.28 = 111,724.40 : x
  2. Step 2: Convert to fraction form
    192,344.76/265,390.28 = 111,724.40/x
  3. Step 3: Cross multiply
    192,344.76x = 265,390.28 × 111,724.40
  4. Step 4: Simplify right side
    192,344.76x = 29,650,569,798.83
  5. Step 5: Solve for x
    x = 29,650,569,798.83/192,344.76
  6. Step 6: Final answer
    x = 154,153.25

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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.