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Finding the Fourth Proportional to 171,476.61, 257,094.63 and 92,642.55

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Solution

The fourth proportional to 171,476.61, 257,094.63 and 92,642.55 is: 138,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,476.61 : 257,094.63 = 92,642.55 : x
  2. Step 2: Convert to fraction form
    171,476.61/257,094.63 = 92,642.55/x
  3. Step 3: Cross multiply
    171,476.61x = 257,094.63 × 92,642.55
  4. Step 4: Simplify right side
    171,476.61x = 23,817,902,114.51
  5. Step 5: Solve for x
    x = 23,817,902,114.51/171,476.61
  6. Step 6: Final answer
    x = 138,898.84

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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.