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Finding the Fourth Proportional to 171,386.08, 257,113.84 and 60,655.84

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Solution

The fourth proportional to 171,386.08, 257,113.84 and 60,655.84 is: 90,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,386.08 : 257,113.84 = 60,655.84 : x
  2. Step 2: Convert to fraction form
    171,386.08/257,113.84 = 60,655.84/x
  3. Step 3: Cross multiply
    171,386.08x = 257,113.84 × 60,655.84
  4. Step 4: Simplify right side
    171,386.08x = 15,595,455,940.83
  5. Step 5: Solve for x
    x = 15,595,455,940.83/171,386.08
  6. Step 6: Final answer
    x = 90,996.05

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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.