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Finding the Fourth Proportional to 64,990.16, 97,524.08 and 59,702.48

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Solution

The fourth proportional to 64,990.16, 97,524.08 and 59,702.48 is: 89,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,990.16 : 97,524.08 = 59,702.48 : x
  2. Step 2: Convert to fraction form
    64,990.16/97,524.08 = 59,702.48/x
  3. Step 3: Cross multiply
    64,990.16x = 97,524.08 × 59,702.48
  4. Step 4: Simplify right side
    64,990.16x = 5,822,429,435.72
  5. Step 5: Solve for x
    x = 5,822,429,435.72/64,990.16
  6. Step 6: Final answer
    x = 89,589.40

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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.