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Finding the Fourth Proportional to 216,817.04, 325,215.53 and 56,889.02

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Solution

The fourth proportional to 216,817.04, 325,215.53 and 56,889.02 is: 85,330.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,817.04 : 325,215.53 = 56,889.02 : x
  2. Step 2: Convert to fraction form
    216,817.04/325,215.53 = 56,889.02/x
  3. Step 3: Cross multiply
    216,817.04x = 325,215.53 × 56,889.02
  4. Step 4: Simplify right side
    216,817.04x = 18,501,190,879.96
  5. Step 5: Solve for x
    x = 18,501,190,879.96/216,817.04
  6. Step 6: Final answer
    x = 85,330.89

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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.