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Finding the Fourth Proportional to 98,668.66, 148,002.64 and 35,488.67

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Solution

The fourth proportional to 98,668.66, 148,002.64 and 35,488.67 is: 53,232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,668.66 : 148,002.64 = 35,488.67 : x
  2. Step 2: Convert to fraction form
    98,668.66/148,002.64 = 35,488.67/x
  3. Step 3: Cross multiply
    98,668.66x = 148,002.64 × 35,488.67
  4. Step 4: Simplify right side
    98,668.66x = 5,252,417,131.37
  5. Step 5: Solve for x
    x = 5,252,417,131.37/98,668.66
  6. Step 6: Final answer
    x = 53,232.88

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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.