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Finding the Fourth Proportional to 146,813.80, 220,220.70 and 104,823.40

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Solution

The fourth proportional to 146,813.80, 220,220.70 and 104,823.40 is: 157,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,813.80 : 220,220.70 = 104,823.40 : x
  2. Step 2: Convert to fraction form
    146,813.80/220,220.70 = 104,823.40/x
  3. Step 3: Cross multiply
    146,813.80x = 220,220.70 × 104,823.40
  4. Step 4: Simplify right side
    146,813.80x = 23,084,282,524.38
  5. Step 5: Solve for x
    x = 23,084,282,524.38/146,813.80
  6. Step 6: Final answer
    x = 157,235.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.