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Finding the Fourth Proportional to 210,094.70, 289,920.03 and 114,600.62

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Solution

The fourth proportional to 210,094.70, 289,920.03 and 114,600.62 is: 158,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,094.70 : 289,920.03 = 114,600.62 : x
  2. Step 2: Convert to fraction form
    210,094.70/289,920.03 = 114,600.62/x
  3. Step 3: Cross multiply
    210,094.70x = 289,920.03 × 114,600.62
  4. Step 4: Simplify right side
    210,094.70x = 33,225,015,188.42
  5. Step 5: Solve for x
    x = 33,225,015,188.42/210,094.70
  6. Step 6: Final answer
    x = 158,143.04

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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.