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Finding the Fourth Proportional to 110,913.75, 153,060.98 and 60,612.75

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Solution

The fourth proportional to 110,913.75, 153,060.98 and 60,612.75 is: 83,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,913.75 : 153,060.98 = 60,612.75 : x
  2. Step 2: Convert to fraction form
    110,913.75/153,060.98 = 60,612.75/x
  3. Step 3: Cross multiply
    110,913.75x = 153,060.98 × 60,612.75
  4. Step 4: Simplify right side
    110,913.75x = 9,277,446,612.43
  5. Step 5: Solve for x
    x = 9,277,446,612.43/110,913.75
  6. Step 6: Final answer
    x = 83,645.60

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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.