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Finding the Fourth Proportional to 147,652.80, 221,471.46 and 42,467.64

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Solution

The fourth proportional to 147,652.80, 221,471.46 and 42,467.64 is: 63,699.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,652.80 : 221,471.46 = 42,467.64 : x
  2. Step 2: Convert to fraction form
    147,652.80/221,471.46 = 42,467.64/x
  3. Step 3: Cross multiply
    147,652.80x = 221,471.46 × 42,467.64
  4. Step 4: Simplify right side
    147,652.80x = 9,405,370,233.55
  5. Step 5: Solve for x
    x = 9,405,370,233.55/147,652.80
  6. Step 6: Final answer
    x = 63,699.23

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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.