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Finding the Fourth Proportional to 203,174.87, 280,569.79 and 152,098.93

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Solution

The fourth proportional to 203,174.87, 280,569.79 and 152,098.93 is: 210,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,174.87 : 280,569.79 = 152,098.93 : x
  2. Step 2: Convert to fraction form
    203,174.87/280,569.79 = 152,098.93/x
  3. Step 3: Cross multiply
    203,174.87x = 280,569.79 × 152,098.93
  4. Step 4: Simplify right side
    203,174.87x = 42,674,362,685.98
  5. Step 5: Solve for x
    x = 42,674,362,685.98/203,174.87
  6. Step 6: Final answer
    x = 210,037.60

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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.