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Finding the Fourth Proportional to 116,290.78, 174,325.42 and 37,349.64

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Solution

The fourth proportional to 116,290.78, 174,325.42 and 37,349.64 is: 55,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,290.78 : 174,325.42 = 37,349.64 : x
  2. Step 2: Convert to fraction form
    116,290.78/174,325.42 = 37,349.64/x
  3. Step 3: Cross multiply
    116,290.78x = 174,325.42 × 37,349.64
  4. Step 4: Simplify right side
    116,290.78x = 6,510,991,679.85
  5. Step 5: Solve for x
    x = 6,510,991,679.85/116,290.78
  6. Step 6: Final answer
    x = 55,988.89

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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.