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Finding the Fourth Proportional to 235,246.84, 324,641.97 and 127,817.74

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Solution

The fourth proportional to 235,246.84, 324,641.97 and 127,817.74 is: 176,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,246.84 : 324,641.97 = 127,817.74 : x
  2. Step 2: Convert to fraction form
    235,246.84/324,641.97 = 127,817.74/x
  3. Step 3: Cross multiply
    235,246.84x = 324,641.97 × 127,817.74
  4. Step 4: Simplify right side
    235,246.84x = 41,495,002,914.55
  5. Step 5: Solve for x
    x = 41,495,002,914.55/235,246.84
  6. Step 6: Final answer
    x = 176,389.20

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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.