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Finding the Fourth Proportional to 210,025.54, 289,824.78 and 119,369.53

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Solution

The fourth proportional to 210,025.54, 289,824.78 and 119,369.53 is: 164,724.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,025.54 : 289,824.78 = 119,369.53 : x
  2. Step 2: Convert to fraction form
    210,025.54/289,824.78 = 119,369.53/x
  3. Step 3: Cross multiply
    210,025.54x = 289,824.78 × 119,369.53
  4. Step 4: Simplify right side
    210,025.54x = 34,596,247,770.95
  5. Step 5: Solve for x
    x = 34,596,247,770.95/210,025.54
  6. Step 6: Final answer
    x = 164,724.00

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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.