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Finding the Fourth Proportional to 370,935.33, 556,443.90 and 118,157.01

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Solution

The fourth proportional to 370,935.33, 556,443.90 and 118,157.01 is: 177,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,935.33 : 556,443.90 = 118,157.01 : x
  2. Step 2: Convert to fraction form
    370,935.33/556,443.90 = 118,157.01/x
  3. Step 3: Cross multiply
    370,935.33x = 556,443.90 × 118,157.01
  4. Step 4: Simplify right side
    370,935.33x = 65,747,747,456.74
  5. Step 5: Solve for x
    x = 65,747,747,456.74/370,935.33
  6. Step 6: Final answer
    x = 177,248.54

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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.