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Finding the Fourth Proportional to 176,460.50, 243,515.49 and 96,972.50

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Solution

The fourth proportional to 176,460.50, 243,515.49 and 96,972.50 is: 133,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,460.50 : 243,515.49 = 96,972.50 : x
  2. Step 2: Convert to fraction form
    176,460.50/243,515.49 = 96,972.50/x
  3. Step 3: Cross multiply
    176,460.50x = 243,515.49 × 96,972.50
  4. Step 4: Simplify right side
    176,460.50x = 23,614,305,854.03
  5. Step 5: Solve for x
    x = 23,614,305,854.03/176,460.50
  6. Step 6: Final answer
    x = 133,822.05

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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.