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Finding the Fourth Proportional to 148,337.70, 222,615.90 and 98,401.20

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Solution

The fourth proportional to 148,337.70, 222,615.90 and 98,401.20 is: 147,674.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,337.70 : 222,615.90 = 98,401.20 : x
  2. Step 2: Convert to fraction form
    148,337.70/222,615.90 = 98,401.20/x
  3. Step 3: Cross multiply
    148,337.70x = 222,615.90 × 98,401.20
  4. Step 4: Simplify right side
    148,337.70x = 21,905,671,699.08
  5. Step 5: Solve for x
    x = 21,905,671,699.08/148,337.70
  6. Step 6: Final answer
    x = 147,674.34

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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.