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Finding the Fourth Proportional to 148,415.60, 204,648.72 and 114,348.08

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Solution

The fourth proportional to 148,415.60, 204,648.72 and 114,348.08 is: 157,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,415.60 : 204,648.72 = 114,348.08 : x
  2. Step 2: Convert to fraction form
    148,415.60/204,648.72 = 114,348.08/x
  3. Step 3: Cross multiply
    148,415.60x = 204,648.72 × 114,348.08
  4. Step 4: Simplify right side
    148,415.60x = 23,401,188,206.46
  5. Step 5: Solve for x
    x = 23,401,188,206.46/148,415.60
  6. Step 6: Final answer
    x = 157,673.37

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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.