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Finding the Fourth Proportional to 171,714.93, 256,309.14 and 159,681.57

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Solution

The fourth proportional to 171,714.93, 256,309.14 and 159,681.57 is: 238,347.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,714.93 : 256,309.14 = 159,681.57 : x
  2. Step 2: Convert to fraction form
    171,714.93/256,309.14 = 159,681.57/x
  3. Step 3: Cross multiply
    171,714.93x = 256,309.14 × 159,681.57
  4. Step 4: Simplify right side
    171,714.93x = 40,927,845,880.55
  5. Step 5: Solve for x
    x = 40,927,845,880.55/171,714.93
  6. Step 6: Final answer
    x = 238,347.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.