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Finding the Fourth Proportional to 230,475.08, 345,712.54 and 55,371.08

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Solution

The fourth proportional to 230,475.08, 345,712.54 and 55,371.08 is: 83,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,475.08 : 345,712.54 = 55,371.08 : x
  2. Step 2: Convert to fraction form
    230,475.08/345,712.54 = 55,371.08/x
  3. Step 3: Cross multiply
    230,475.08x = 345,712.54 × 55,371.08
  4. Step 4: Simplify right side
    230,475.08x = 19,142,476,709.34
  5. Step 5: Solve for x
    x = 19,142,476,709.34/230,475.08
  6. Step 6: Final answer
    x = 83,056.60

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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.