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Finding the Fourth Proportional to 252,770.99, 348,821.07 and 145,341.45

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Solution

The fourth proportional to 252,770.99, 348,821.07 and 145,341.45 is: 200,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,770.99 : 348,821.07 = 145,341.45 : x
  2. Step 2: Convert to fraction form
    252,770.99/348,821.07 = 145,341.45/x
  3. Step 3: Cross multiply
    252,770.99x = 348,821.07 × 145,341.45
  4. Step 4: Simplify right side
    252,770.99x = 50,698,160,104.35
  5. Step 5: Solve for x
    x = 50,698,160,104.35/252,770.99
  6. Step 6: Final answer
    x = 200,569.54

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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.