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Finding the Fourth Proportional to 231,182.25, 346,773.38 and 64,970.25

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Solution

The fourth proportional to 231,182.25, 346,773.38 and 64,970.25 is: 97,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,182.25 : 346,773.38 = 64,970.25 : x
  2. Step 2: Convert to fraction form
    231,182.25/346,773.38 = 64,970.25/x
  3. Step 3: Cross multiply
    231,182.25x = 346,773.38 × 64,970.25
  4. Step 4: Simplify right side
    231,182.25x = 22,529,952,867.09
  5. Step 5: Solve for x
    x = 22,529,952,867.09/231,182.25
  6. Step 6: Final answer
    x = 97,455.38

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1.5x scale

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.