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Finding the Fourth Proportional to 110,355.75, 152,280.41 and 61,946.60

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Solution

The fourth proportional to 110,355.75, 152,280.41 and 61,946.60 is: 85,480.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,355.75 : 152,280.41 = 61,946.60 : x
  2. Step 2: Convert to fraction form
    110,355.75/152,280.41 = 61,946.60/x
  3. Step 3: Cross multiply
    110,355.75x = 152,280.41 × 61,946.60
  4. Step 4: Simplify right side
    110,355.75x = 9,433,252,574.97
  5. Step 5: Solve for x
    x = 9,433,252,574.97/110,355.75
  6. Step 6: Final answer
    x = 85,480.39

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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.