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Finding the Fourth Proportional to 148,503.40, 222,495.90 and 127,767.40

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Solution

The fourth proportional to 148,503.40, 222,495.90 and 127,767.40 is: 191,428.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,503.40 : 222,495.90 = 127,767.40 : x
  2. Step 2: Convert to fraction form
    148,503.40/222,495.90 = 127,767.40/x
  3. Step 3: Cross multiply
    148,503.40x = 222,495.90 × 127,767.40
  4. Step 4: Simplify right side
    148,503.40x = 28,427,722,653.66
  5. Step 5: Solve for x
    x = 28,427,722,653.66/148,503.40
  6. Step 6: Final answer
    x = 191,428.09

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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.