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Finding the Fourth Proportional to 134,802.10, 202,203.15 and 123,429.70

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Solution

The fourth proportional to 134,802.10, 202,203.15 and 123,429.70 is: 185,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,802.10 : 202,203.15 = 123,429.70 : x
  2. Step 2: Convert to fraction form
    134,802.10/202,203.15 = 123,429.70/x
  3. Step 3: Cross multiply
    134,802.10x = 202,203.15 × 123,429.70
  4. Step 4: Simplify right side
    134,802.10x = 24,957,874,143.56
  5. Step 5: Solve for x
    x = 24,957,874,143.56/134,802.10
  6. Step 6: Final answer
    x = 185,144.55

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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.