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Finding the Fourth Proportional to 111,576.70, 153,975.34 and 60,589.02

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Solution

The fourth proportional to 111,576.70, 153,975.34 and 60,589.02 is: 83,612.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,576.70 : 153,975.34 = 60,589.02 : x
  2. Step 2: Convert to fraction form
    111,576.70/153,975.34 = 60,589.02/x
  3. Step 3: Cross multiply
    111,576.70x = 153,975.34 × 60,589.02
  4. Step 4: Simplify right side
    111,576.70x = 9,329,214,954.77
  5. Step 5: Solve for x
    x = 9,329,214,954.77/111,576.70
  6. Step 6: Final answer
    x = 83,612.57

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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.