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Finding the Fourth Proportional to 110,880.71, 153,015.86 and 60,580.79

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Solution

The fourth proportional to 110,880.71, 153,015.86 and 60,580.79 is: 83,601.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,880.71 : 153,015.86 = 60,580.79 : x
  2. Step 2: Convert to fraction form
    110,880.71/153,015.86 = 60,580.79/x
  3. Step 3: Cross multiply
    110,880.71x = 153,015.86 × 60,580.79
  4. Step 4: Simplify right side
    110,880.71x = 9,269,821,681.33
  5. Step 5: Solve for x
    x = 9,269,821,681.33/110,880.71
  6. Step 6: Final answer
    x = 83,601.75

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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.