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Finding the Fourth Proportional to 111,323.70, 153,623.79 and 60,334.20

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Solution

The fourth proportional to 111,323.70, 153,623.79 and 60,334.20 is: 83,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,323.70 : 153,623.79 = 60,334.20 : x
  2. Step 2: Convert to fraction form
    111,323.70/153,623.79 = 60,334.20/x
  3. Step 3: Cross multiply
    111,323.70x = 153,623.79 × 60,334.20
  4. Step 4: Simplify right side
    111,323.70x = 9,268,768,470.62
  5. Step 5: Solve for x
    x = 9,268,768,470.62/111,323.70
  6. Step 6: Final answer
    x = 83,259.62

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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.