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Finding the Fourth Proportional to 113,653.53, 156,811.14 and 64,594.44

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Solution

The fourth proportional to 113,653.53, 156,811.14 and 64,594.44 is: 89,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,653.53 : 156,811.14 = 64,594.44 : x
  2. Step 2: Convert to fraction form
    113,653.53/156,811.14 = 64,594.44/x
  3. Step 3: Cross multiply
    113,653.53x = 156,811.14 × 64,594.44
  4. Step 4: Simplify right side
    113,653.53x = 10,129,127,774.06
  5. Step 5: Solve for x
    x = 10,129,127,774.06/113,653.53
  6. Step 6: Final answer
    x = 89,122.86

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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.