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Finding the Fourth Proportional to 172,392.66, 258,599.88 and 60,068.34

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Solution

The fourth proportional to 172,392.66, 258,599.88 and 60,068.34 is: 90,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,392.66 : 258,599.88 = 60,068.34 : x
  2. Step 2: Convert to fraction form
    172,392.66/258,599.88 = 60,068.34/x
  3. Step 3: Cross multiply
    172,392.66x = 258,599.88 × 60,068.34
  4. Step 4: Simplify right side
    172,392.66x = 15,533,665,515.80
  5. Step 5: Solve for x
    x = 15,533,665,515.80/172,392.66
  6. Step 6: Final answer
    x = 90,106.30

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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.