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Finding the Fourth Proportional to 365,668.70, 548,467.65 and 112,881.06

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Solution

The fourth proportional to 365,668.70, 548,467.65 and 112,881.06 is: 169,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,668.70 : 548,467.65 = 112,881.06 : x
  2. Step 2: Convert to fraction form
    365,668.70/548,467.65 = 112,881.06/x
  3. Step 3: Cross multiply
    365,668.70x = 548,467.65 × 112,881.06
  4. Step 4: Simplify right side
    365,668.70x = 61,911,609,707.71
  5. Step 5: Solve for x
    x = 61,911,609,707.71/365,668.70
  6. Step 6: Final answer
    x = 169,310.66

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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.