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Finding the Fourth Proportional to 265,173.69, 365,932.68 and 144,312.38

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Solution

The fourth proportional to 265,173.69, 365,932.68 and 144,312.38 is: 199,147.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,173.69 : 365,932.68 = 144,312.38 : x
  2. Step 2: Convert to fraction form
    265,173.69/365,932.68 = 144,312.38/x
  3. Step 3: Cross multiply
    265,173.69x = 365,932.68 × 144,312.38
  4. Step 4: Simplify right side
    265,173.69x = 52,808,618,197.26
  5. Step 5: Solve for x
    x = 52,808,618,197.26/265,173.69
  6. Step 6: Final answer
    x = 199,147.27

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1.5x scale

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.