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Finding the Fourth Proportional to 171,647.10, 257,407.41 and 59,298.48

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Solution

The fourth proportional to 171,647.10, 257,407.41 and 59,298.48 is: 88,925.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,647.10 : 257,407.41 = 59,298.48 : x
  2. Step 2: Convert to fraction form
    171,647.10/257,407.41 = 59,298.48/x
  3. Step 3: Cross multiply
    171,647.10x = 257,407.41 × 59,298.48
  4. Step 4: Simplify right side
    171,647.10x = 15,263,868,153.74
  5. Step 5: Solve for x
    x = 15,263,868,153.74/171,647.10
  6. Step 6: Final answer
    x = 88,925.87

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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.