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Finding the Fourth Proportional to 230,574.80, 345,670.20 and 97,557.20

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Solution

The fourth proportional to 230,574.80, 345,670.20 and 97,557.20 is: 146,254.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,574.80 : 345,670.20 = 97,557.20 : x
  2. Step 2: Convert to fraction form
    230,574.80/345,670.20 = 97,557.20/x
  3. Step 3: Cross multiply
    230,574.80x = 345,670.20 × 97,557.20
  4. Step 4: Simplify right side
    230,574.80x = 33,722,616,835.44
  5. Step 5: Solve for x
    x = 33,722,616,835.44/230,574.80
  6. Step 6: Final answer
    x = 146,254.56

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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.