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Finding the Fourth Proportional to 252,692.69, 348,713.57 and 139,516.25

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Solution

The fourth proportional to 252,692.69, 348,713.57 and 139,516.25 is: 192,531.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,692.69 : 348,713.57 = 139,516.25 : x
  2. Step 2: Convert to fraction form
    252,692.69/348,713.57 = 139,516.25/x
  3. Step 3: Cross multiply
    252,692.69x = 348,713.57 × 139,516.25
  4. Step 4: Simplify right side
    252,692.69x = 48,651,208,215.74
  5. Step 5: Solve for x
    x = 48,651,208,215.74/252,692.69
  6. Step 6: Final answer
    x = 192,531.13

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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.