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Finding the Fourth Proportional to 171,038.77, 256,558.12 and 52,710.10

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Solution

The fourth proportional to 171,038.77, 256,558.12 and 52,710.10 is: 79,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,038.77 : 256,558.12 = 52,710.10 : x
  2. Step 2: Convert to fraction form
    171,038.77/256,558.12 = 52,710.10/x
  3. Step 3: Cross multiply
    171,038.77x = 256,558.12 × 52,710.10
  4. Step 4: Simplify right side
    171,038.77x = 13,523,204,161.01
  5. Step 5: Solve for x
    x = 13,523,204,161.01/171,038.77
  6. Step 6: Final answer
    x = 79,065.14

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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.