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Finding the Fourth Proportional to 296,988.66, 409,866.08 and 169,661.52

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Solution

The fourth proportional to 296,988.66, 409,866.08 and 169,661.52 is: 234,145.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,988.66 : 409,866.08 = 169,661.52 : x
  2. Step 2: Convert to fraction form
    296,988.66/409,866.08 = 169,661.52/x
  3. Step 3: Cross multiply
    296,988.66x = 409,866.08 × 169,661.52
  4. Step 4: Simplify right side
    296,988.66x = 69,538,501,280.93
  5. Step 5: Solve for x
    x = 69,538,501,280.93/296,988.66
  6. Step 6: Final answer
    x = 234,145.31

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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.