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Finding the Fourth Proportional to 106,455.55, 146,926.22 and 64,037.47

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Solution

The fourth proportional to 106,455.55, 146,926.22 and 64,037.47 is: 88,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,455.55 : 146,926.22 = 64,037.47 : x
  2. Step 2: Convert to fraction form
    106,455.55/146,926.22 = 64,037.47/x
  3. Step 3: Cross multiply
    106,455.55x = 146,926.22 × 64,037.47
  4. Step 4: Simplify right side
    106,455.55x = 9,408,783,405.46
  5. Step 5: Solve for x
    x = 9,408,783,405.46/106,455.55
  6. Step 6: Final answer
    x = 88,382.27

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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.