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Finding the Fourth Proportional to 273,172.57, 376,979.54 and 152,318.95

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Solution

The fourth proportional to 273,172.57, 376,979.54 and 152,318.95 is: 210,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,172.57 : 376,979.54 = 152,318.95 : x
  2. Step 2: Convert to fraction form
    273,172.57/376,979.54 = 152,318.95/x
  3. Step 3: Cross multiply
    273,172.57x = 376,979.54 × 152,318.95
  4. Step 4: Simplify right side
    273,172.57x = 57,421,126,000.24
  5. Step 5: Solve for x
    x = 57,421,126,000.24/273,172.57
  6. Step 6: Final answer
    x = 210,200.92

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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.