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Finding the Fourth Proportional to 176,912.70, 265,369.05 and 141,920.70

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Solution

The fourth proportional to 176,912.70, 265,369.05 and 141,920.70 is: 212,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,912.70 : 265,369.05 = 141,920.70 : x
  2. Step 2: Convert to fraction form
    176,912.70/265,369.05 = 141,920.70/x
  3. Step 3: Cross multiply
    176,912.70x = 265,369.05 × 141,920.70
  4. Step 4: Simplify right side
    176,912.70x = 37,661,361,334.34
  5. Step 5: Solve for x
    x = 37,661,361,334.34/176,912.70
  6. Step 6: Final answer
    x = 212,881.05

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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.