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Finding the Fourth Proportional to 235,171.94, 324,543.32 and 127,748.12

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Solution

The fourth proportional to 235,171.94, 324,543.32 and 127,748.12 is: 176,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,171.94 : 324,543.32 = 127,748.12 : x
  2. Step 2: Convert to fraction form
    235,171.94/324,543.32 = 127,748.12/x
  3. Step 3: Cross multiply
    235,171.94x = 324,543.32 × 127,748.12
  4. Step 4: Simplify right side
    235,171.94x = 41,459,796,727.10
  5. Step 5: Solve for x
    x = 41,459,796,727.10/235,171.94
  6. Step 6: Final answer
    x = 176,295.68

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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.