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Finding the Fourth Proportional to 370,007.89, 555,011.86 and 89,525.14

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Solution

The fourth proportional to 370,007.89, 555,011.86 and 89,525.14 is: 134,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,007.89 : 555,011.86 = 89,525.14 : x
  2. Step 2: Convert to fraction form
    370,007.89/555,011.86 = 89,525.14/x
  3. Step 3: Cross multiply
    370,007.89x = 555,011.86 × 89,525.14
  4. Step 4: Simplify right side
    370,007.89x = 49,687,514,468.16
  5. Step 5: Solve for x
    x = 49,687,514,468.16/370,007.89
  6. Step 6: Final answer
    x = 134,287.72

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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.