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Finding the Fourth Proportional to 253,680.94, 350,082.27 and 153,059.50

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Solution

The fourth proportional to 253,680.94, 350,082.27 and 153,059.50 is: 211,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,680.94 : 350,082.27 = 153,059.50 : x
  2. Step 2: Convert to fraction form
    253,680.94/350,082.27 = 153,059.50/x
  3. Step 3: Cross multiply
    253,680.94x = 350,082.27 × 153,059.50
  4. Step 4: Simplify right side
    253,680.94x = 53,583,417,205.07
  5. Step 5: Solve for x
    x = 53,583,417,205.07/253,680.94
  6. Step 6: Final answer
    x = 211,223.66

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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.