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Finding the Fourth Proportional to 241,666.40, 362,521.44 and 99,478.56

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Solution

The fourth proportional to 241,666.40, 362,521.44 and 99,478.56 is: 149,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,666.40 : 362,521.44 = 99,478.56 : x
  2. Step 2: Convert to fraction form
    241,666.40/362,521.44 = 99,478.56/x
  3. Step 3: Cross multiply
    241,666.40x = 362,521.44 × 99,478.56
  4. Step 4: Simplify right side
    241,666.40x = 36,063,110,820.33
  5. Step 5: Solve for x
    x = 36,063,110,820.33/241,666.40
  6. Step 6: Final answer
    x = 149,226.83

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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.