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Finding the Fourth Proportional to 230,548.44, 345,852.90 and 90,288.84

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Solution

The fourth proportional to 230,548.44, 345,852.90 and 90,288.84 is: 135,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,548.44 : 345,852.90 = 90,288.84 : x
  2. Step 2: Convert to fraction form
    230,548.44/345,852.90 = 90,288.84/x
  3. Step 3: Cross multiply
    230,548.44x = 345,852.90 × 90,288.84
  4. Step 4: Simplify right side
    230,548.44x = 31,226,657,151.64
  5. Step 5: Solve for x
    x = 31,226,657,151.64/230,548.44
  6. Step 6: Final answer
    x = 135,445.10

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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.