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Finding the Fourth Proportional to 171,038.19, 256,469.40 and 58,688.19

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Solution

The fourth proportional to 171,038.19, 256,469.40 and 58,688.19 is: 88,002.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,038.19 : 256,469.40 = 58,688.19 : x
  2. Step 2: Convert to fraction form
    171,038.19/256,469.40 = 58,688.19/x
  3. Step 3: Cross multiply
    171,038.19x = 256,469.40 × 58,688.19
  4. Step 4: Simplify right side
    171,038.19x = 15,051,724,876.39
  5. Step 5: Solve for x
    x = 15,051,724,876.39/171,038.19
  6. Step 6: Final answer
    x = 88,002.13

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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.