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Finding the Fourth Proportional to 294,203.01, 405,967.67 and 165,111.87

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Solution

The fourth proportional to 294,203.01, 405,967.67 and 165,111.87 is: 227,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,203.01 : 405,967.67 = 165,111.87 : x
  2. Step 2: Convert to fraction form
    294,203.01/405,967.67 = 165,111.87/x
  3. Step 3: Cross multiply
    294,203.01x = 405,967.67 × 165,111.87
  4. Step 4: Simplify right side
    294,203.01x = 67,030,081,666.15
  5. Step 5: Solve for x
    x = 67,030,081,666.15/294,203.01
  6. Step 6: Final answer
    x = 227,836.15

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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.