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Finding the Fourth Proportional to 448,093.26, 672,254.46 and 148,657.32

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Solution

The fourth proportional to 448,093.26, 672,254.46 and 148,657.32 is: 223,023.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,093.26 : 672,254.46 = 148,657.32 : x
  2. Step 2: Convert to fraction form
    448,093.26/672,254.46 = 148,657.32/x
  3. Step 3: Cross multiply
    448,093.26x = 672,254.46 × 148,657.32
  4. Step 4: Simplify right side
    448,093.26x = 99,935,546,381.65
  5. Step 5: Solve for x
    x = 99,935,546,381.65/448,093.26
  6. Step 6: Final answer
    x = 223,023.99

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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.