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Finding the Fourth Proportional to 238,100.58, 328,567.97 and 130,668.48

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Solution

The fourth proportional to 238,100.58, 328,567.97 and 130,668.48 is: 180,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,100.58 : 328,567.97 = 130,668.48 : x
  2. Step 2: Convert to fraction form
    238,100.58/328,567.97 = 130,668.48/x
  3. Step 3: Cross multiply
    238,100.58x = 328,567.97 × 130,668.48
  4. Step 4: Simplify right side
    238,100.58x = 42,933,477,543.26
  5. Step 5: Solve for x
    x = 42,933,477,543.26/238,100.58
  6. Step 6: Final answer
    x = 180,316.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.