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Finding the Fourth Proportional to 169,812.70, 238,087.70 and 169,812.70

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Solution

The fourth proportional to 169,812.70, 238,087.70 and 169,812.70 is: 238,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,812.70 : 238,087.70 = 169,812.70 : x
  2. Step 2: Convert to fraction form
    169,812.70/238,087.70 = 169,812.70/x
  3. Step 3: Cross multiply
    169,812.70x = 238,087.70 × 169,812.70
  4. Step 4: Simplify right side
    169,812.70x = 40,430,315,173.79
  5. Step 5: Solve for x
    x = 40,430,315,173.79/169,812.70
  6. Step 6: Final answer
    x = 238,087.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.