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Finding the Fourth Proportional to 60,495.03, 90,676.62 and 57,700.62

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Solution

The fourth proportional to 60,495.03, 90,676.62 and 57,700.62 is: 86,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,495.03 : 90,676.62 = 57,700.62 : x
  2. Step 2: Convert to fraction form
    60,495.03/90,676.62 = 57,700.62/x
  3. Step 3: Cross multiply
    60,495.03x = 90,676.62 × 57,700.62
  4. Step 4: Simplify right side
    60,495.03x = 5,232,097,193.50
  5. Step 5: Solve for x
    x = 5,232,097,193.50/60,495.03
  6. Step 6: Final answer
    x = 86,488.05

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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.