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Finding the Fourth Proportional to 188,842.56, 260,569.59 and 113,392.68

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Solution

The fourth proportional to 188,842.56, 260,569.59 and 113,392.68 is: 156,462.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,842.56 : 260,569.59 = 113,392.68 : x
  2. Step 2: Convert to fraction form
    188,842.56/260,569.59 = 113,392.68/x
  3. Step 3: Cross multiply
    188,842.56x = 260,569.59 × 113,392.68
  4. Step 4: Simplify right side
    188,842.56x = 29,546,684,136.60
  5. Step 5: Solve for x
    x = 29,546,684,136.60/188,842.56
  6. Step 6: Final answer
    x = 156,462.00

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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.