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Finding the Fourth Proportional to 230,297.23, 345,445.85 and 89,957.44

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Solution

The fourth proportional to 230,297.23, 345,445.85 and 89,957.44 is: 134,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,297.23 : 345,445.85 = 89,957.44 : x
  2. Step 2: Convert to fraction form
    230,297.23/345,445.85 = 89,957.44/x
  3. Step 3: Cross multiply
    230,297.23x = 345,445.85 × 89,957.44
  4. Step 4: Simplify right side
    230,297.23x = 31,075,423,011.22
  5. Step 5: Solve for x
    x = 31,075,423,011.22/230,297.23
  6. Step 6: Final answer
    x = 134,936.16

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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.