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Finding the Fourth Proportional to 267,951.04, 369,774.88 and 154,771.20

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Solution

The fourth proportional to 267,951.04, 369,774.88 and 154,771.20 is: 213,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,951.04 : 369,774.88 = 154,771.20 : x
  2. Step 2: Convert to fraction form
    267,951.04/369,774.88 = 154,771.20/x
  3. Step 3: Cross multiply
    267,951.04x = 369,774.88 × 154,771.20
  4. Step 4: Simplify right side
    267,951.04x = 57,230,501,907.46
  5. Step 5: Solve for x
    x = 57,230,501,907.46/267,951.04
  6. Step 6: Final answer
    x = 213,585.67

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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.