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Finding the Fourth Proportional to 216,872.56, 325,807.26 and 153,849.16

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Solution

The fourth proportional to 216,872.56, 325,807.26 and 153,849.16 is: 231,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,872.56 : 325,807.26 = 153,849.16 : x
  2. Step 2: Convert to fraction form
    216,872.56/325,807.26 = 153,849.16/x
  3. Step 3: Cross multiply
    216,872.56x = 325,807.26 × 153,849.16
  4. Step 4: Simplify right side
    216,872.56x = 50,125,173,272.90
  5. Step 5: Solve for x
    x = 50,125,173,272.90/216,872.56
  6. Step 6: Final answer
    x = 231,127.32

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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.