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Finding the Fourth Proportional to 110,045.53, 151,863.46 and 64,725.42

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Solution

The fourth proportional to 110,045.53, 151,863.46 and 64,725.42 is: 89,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,045.53 : 151,863.46 = 64,725.42 : x
  2. Step 2: Convert to fraction form
    110,045.53/151,863.46 = 64,725.42/x
  3. Step 3: Cross multiply
    110,045.53x = 151,863.46 × 64,725.42
  4. Step 4: Simplify right side
    110,045.53x = 9,829,426,231.15
  5. Step 5: Solve for x
    x = 9,829,426,231.15/110,045.53
  6. Step 6: Final answer
    x = 89,321.45

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1.5x scale

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.