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Finding the Fourth Proportional to 370,275.72, 555,369.57 and 96,703.89

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Solution

The fourth proportional to 370,275.72, 555,369.57 and 96,703.89 is: 145,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,275.72 : 555,369.57 = 96,703.89 : x
  2. Step 2: Convert to fraction form
    370,275.72/555,369.57 = 96,703.89/x
  3. Step 3: Cross multiply
    370,275.72x = 555,369.57 × 96,703.89
  4. Step 4: Simplify right side
    370,275.72x = 53,706,397,806.63
  5. Step 5: Solve for x
    x = 53,706,397,806.63/370,275.72
  6. Step 6: Final answer
    x = 145,044.34

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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.