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Finding the Fourth Proportional to 171,648.60, 257,409.72 and 59,299.98

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Solution

The fourth proportional to 171,648.60, 257,409.72 and 59,299.98 is: 88,928.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,648.60 : 257,409.72 = 59,299.98 : x
  2. Step 2: Convert to fraction form
    171,648.60/257,409.72 = 59,299.98/x
  3. Step 3: Cross multiply
    171,648.60x = 257,409.72 × 59,299.98
  4. Step 4: Simplify right side
    171,648.60x = 15,264,391,247.81
  5. Step 5: Solve for x
    x = 15,264,391,247.81/171,648.60
  6. Step 6: Final answer
    x = 88,928.14

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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.