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Finding the Fourth Proportional to 136,580.88, 204,890.01 and 46,599.47

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Solution

The fourth proportional to 136,580.88, 204,890.01 and 46,599.47 is: 69,905.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,580.88 : 204,890.01 = 46,599.47 : x
  2. Step 2: Convert to fraction form
    136,580.88/204,890.01 = 46,599.47/x
  3. Step 3: Cross multiply
    136,580.88x = 204,890.01 × 46,599.47
  4. Step 4: Simplify right side
    136,580.88x = 9,547,765,443.43
  5. Step 5: Solve for x
    x = 9,547,765,443.43/136,580.88
  6. Step 6: Final answer
    x = 69,905.58

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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.