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Finding the Fourth Proportional to 69,985.46, 96,549.47 and 44,478.16

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Solution

The fourth proportional to 69,985.46, 96,549.47 and 44,478.16 is: 61,360.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,985.46 : 96,549.47 = 44,478.16 : x
  2. Step 2: Convert to fraction form
    69,985.46/96,549.47 = 44,478.16/x
  3. Step 3: Cross multiply
    69,985.46x = 96,549.47 × 44,478.16
  4. Step 4: Simplify right side
    69,985.46x = 4,294,342,310.81
  5. Step 5: Solve for x
    x = 4,294,342,310.81/69,985.46
  6. Step 6: Final answer
    x = 61,360.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.