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Finding the Fourth Proportional to 111,594.38, 154,000.24 and 61,293.38

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Solution

The fourth proportional to 111,594.38, 154,000.24 and 61,293.38 is: 84,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,594.38 : 154,000.24 = 61,293.38 : x
  2. Step 2: Convert to fraction form
    111,594.38/154,000.24 = 61,293.38/x
  3. Step 3: Cross multiply
    111,594.38x = 154,000.24 × 61,293.38
  4. Step 4: Simplify right side
    111,594.38x = 9,439,194,307.18
  5. Step 5: Solve for x
    x = 9,439,194,307.18/111,594.38
  6. Step 6: Final answer
    x = 84,584.86

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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.