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Finding the Fourth Proportional to 301,695.72, 452,537.66 and 121,776.36

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Solution

The fourth proportional to 301,695.72, 452,537.66 and 121,776.36 is: 182,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,695.72 : 452,537.66 = 121,776.36 : x
  2. Step 2: Convert to fraction form
    301,695.72/452,537.66 = 121,776.36/x
  3. Step 3: Cross multiply
    301,695.72x = 452,537.66 × 121,776.36
  4. Step 4: Simplify right side
    301,695.72x = 55,108,389,302.16
  5. Step 5: Solve for x
    x = 55,108,389,302.16/301,695.72
  6. Step 6: Final answer
    x = 182,662.15

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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.