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Finding the Fourth Proportional to 104,218.56, 143,841 and 59,506.56

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Solution

The fourth proportional to 104,218.56, 143,841 and 59,506.56 is: 82,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,218.56 : 143,841 = 59,506.56 : x
  2. Step 2: Convert to fraction form
    104,218.56/143,841 = 59,506.56/x
  3. Step 3: Cross multiply
    104,218.56x = 143,841 × 59,506.56
  4. Step 4: Simplify right side
    104,218.56x = 8,559,483,096.96
  5. Step 5: Solve for x
    x = 8,559,483,096.96/104,218.56
  6. Step 6: Final answer
    x = 82,130.12

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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.