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Finding the Fourth Proportional to 370,030.72, 555,267.51 and 159,668.66

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Solution

The fourth proportional to 370,030.72, 555,267.51 and 159,668.66 is: 239,598.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,030.72 : 555,267.51 = 159,668.66 : x
  2. Step 2: Convert to fraction form
    370,030.72/555,267.51 = 159,668.66/x
  3. Step 3: Cross multiply
    370,030.72x = 555,267.51 × 159,668.66
  4. Step 4: Simplify right side
    370,030.72x = 88,658,819,263.24
  5. Step 5: Solve for x
    x = 88,658,819,263.24/370,030.72
  6. Step 6: Final answer
    x = 239,598.54

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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.