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Finding the Fourth Proportional to 175,328.70, 262,993.05 and 100,679.10

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Solution

The fourth proportional to 175,328.70, 262,993.05 and 100,679.10 is: 151,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,328.70 : 262,993.05 = 100,679.10 : x
  2. Step 2: Convert to fraction form
    175,328.70/262,993.05 = 100,679.10/x
  3. Step 3: Cross multiply
    175,328.70x = 262,993.05 × 100,679.10
  4. Step 4: Simplify right side
    175,328.70x = 26,477,903,580.26
  5. Step 5: Solve for x
    x = 26,477,903,580.26/175,328.70
  6. Step 6: Final answer
    x = 151,018.65

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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.