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Finding the Fourth Proportional to 113,668.54, 156,858.99 and 62,683.42

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Solution

The fourth proportional to 113,668.54, 156,858.99 and 62,683.42 is: 86,501.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,668.54 : 156,858.99 = 62,683.42 : x
  2. Step 2: Convert to fraction form
    113,668.54/156,858.99 = 62,683.42/x
  3. Step 3: Cross multiply
    113,668.54x = 156,858.99 × 62,683.42
  4. Step 4: Simplify right side
    113,668.54x = 9,832,457,617.85
  5. Step 5: Solve for x
    x = 9,832,457,617.85/113,668.54
  6. Step 6: Final answer
    x = 86,501.14

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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.