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Finding the Fourth Proportional to 370,851.66, 555,902.33 and 146,124.72

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Solution

The fourth proportional to 370,851.66, 555,902.33 and 146,124.72 is: 219,039.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,851.66 : 555,902.33 = 146,124.72 : x
  2. Step 2: Convert to fraction form
    370,851.66/555,902.33 = 146,124.72/x
  3. Step 3: Cross multiply
    370,851.66x = 555,902.33 × 146,124.72
  4. Step 4: Simplify right side
    370,851.66x = 81,231,071,587.97
  5. Step 5: Solve for x
    x = 81,231,071,587.97/370,851.66
  6. Step 6: Final answer
    x = 219,039.26

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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.