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Finding the Fourth Proportional to 110,855.50, 152,984.37 and 60,557.74

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Solution

The fourth proportional to 110,855.50, 152,984.37 and 60,557.74 is: 83,571.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,855.50 : 152,984.37 = 60,557.74 : x
  2. Step 2: Convert to fraction form
    110,855.50/152,984.37 = 60,557.74/x
  3. Step 3: Cross multiply
    110,855.50x = 152,984.37 × 60,557.74
  4. Step 4: Simplify right side
    110,855.50x = 9,264,387,702.52
  5. Step 5: Solve for x
    x = 9,264,387,702.52/110,855.50
  6. Step 6: Final answer
    x = 83,571.75

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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.