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Finding the Fourth Proportional to 272,686.01, 409,047.69 and 92,698.19

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Solution

The fourth proportional to 272,686.01, 409,047.69 and 92,698.19 is: 139,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,686.01 : 409,047.69 = 92,698.19 : x
  2. Step 2: Convert to fraction form
    272,686.01/409,047.69 = 92,698.19/x
  3. Step 3: Cross multiply
    272,686.01x = 409,047.69 × 92,698.19
  4. Step 4: Simplify right side
    272,686.01x = 37,917,980,322.99
  5. Step 5: Solve for x
    x = 37,917,980,322.99/272,686.01
  6. Step 6: Final answer
    x = 139,053.64

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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.