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Finding the Fourth Proportional to 148,370.84, 204,640.14 and 103,048.88

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Solution

The fourth proportional to 148,370.84, 204,640.14 and 103,048.88 is: 142,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,370.84 : 204,640.14 = 103,048.88 : x
  2. Step 2: Convert to fraction form
    148,370.84/204,640.14 = 103,048.88/x
  3. Step 3: Cross multiply
    148,370.84x = 204,640.14 × 103,048.88
  4. Step 4: Simplify right side
    148,370.84x = 21,087,937,230.04
  5. Step 5: Solve for x
    x = 21,087,937,230.04/148,370.84
  6. Step 6: Final answer
    x = 142,129.93

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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.