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Finding the Fourth Proportional to 64,706.63, 97,115.99 and 64,557.02

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Solution

The fourth proportional to 64,706.63, 97,115.99 and 64,557.02 is: 96,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,706.63 : 97,115.99 = 64,557.02 : x
  2. Step 2: Convert to fraction form
    64,706.63/97,115.99 = 64,557.02/x
  3. Step 3: Cross multiply
    64,706.63x = 97,115.99 × 64,557.02
  4. Step 4: Simplify right side
    64,706.63x = 6,269,518,100.38
  5. Step 5: Solve for x
    x = 6,269,518,100.38/64,706.63
  6. Step 6: Final answer
    x = 96,891.44

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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.