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Finding the Fourth Proportional to 216,889.80, 325,325.12 and 59,118.24

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Solution

The fourth proportional to 216,889.80, 325,325.12 and 59,118.24 is: 88,674.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,889.80 : 325,325.12 = 59,118.24 : x
  2. Step 2: Convert to fraction form
    216,889.80/325,325.12 = 59,118.24/x
  3. Step 3: Cross multiply
    216,889.80x = 325,325.12 × 59,118.24
  4. Step 4: Simplify right side
    216,889.80x = 19,232,648,522.19
  5. Step 5: Solve for x
    x = 19,232,648,522.19/216,889.80
  6. Step 6: Final answer
    x = 88,674.75

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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.