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Finding the Fourth Proportional to 171,638.84, 257,417.22 and 59,323.02

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Solution

The fourth proportional to 171,638.84, 257,417.22 and 59,323.02 is: 88,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,638.84 : 257,417.22 = 59,323.02 : x
  2. Step 2: Convert to fraction form
    171,638.84/257,417.22 = 59,323.02/x
  3. Step 3: Cross multiply
    171,638.84x = 257,417.22 × 59,323.02
  4. Step 4: Simplify right side
    171,638.84x = 15,270,766,890.40
  5. Step 5: Solve for x
    x = 15,270,766,890.40/171,638.84
  6. Step 6: Final answer
    x = 88,970.35

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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.