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Finding the Fourth Proportional to 217,136.16, 325,597.32 and 103,252.32

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Solution

The fourth proportional to 217,136.16, 325,597.32 and 103,252.32 is: 154,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,136.16 : 325,597.32 = 103,252.32 : x
  2. Step 2: Convert to fraction form
    217,136.16/325,597.32 = 103,252.32/x
  3. Step 3: Cross multiply
    217,136.16x = 325,597.32 × 103,252.32
  4. Step 4: Simplify right side
    217,136.16x = 33,618,678,675.78
  5. Step 5: Solve for x
    x = 33,618,678,675.78/217,136.16
  6. Step 6: Final answer
    x = 154,827.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.