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Finding the Fourth Proportional to 155,466.80, 233,296.20 and 61,962.80

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Solution

The fourth proportional to 155,466.80, 233,296.20 and 61,962.80 is: 92,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,466.80 : 233,296.20 = 61,962.80 : x
  2. Step 2: Convert to fraction form
    155,466.80/233,296.20 = 61,962.80/x
  3. Step 3: Cross multiply
    155,466.80x = 233,296.20 × 61,962.80
  4. Step 4: Simplify right side
    155,466.80x = 14,455,685,781.36
  5. Step 5: Solve for x
    x = 14,455,685,781.36/155,466.80
  6. Step 6: Final answer
    x = 92,982.46

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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.