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Finding the Fourth Proportional to 118,235.52, 163,168.50 and 64,524.02

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Solution

The fourth proportional to 118,235.52, 163,168.50 and 64,524.02 is: 89,045.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,235.52 : 163,168.50 = 64,524.02 : x
  2. Step 2: Convert to fraction form
    118,235.52/163,168.50 = 64,524.02/x
  3. Step 3: Cross multiply
    118,235.52x = 163,168.50 × 64,524.02
  4. Step 4: Simplify right side
    118,235.52x = 10,528,286,741.53
  5. Step 5: Solve for x
    x = 10,528,286,741.53/118,235.52
  6. Step 6: Final answer
    x = 89,045.04

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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.