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Finding the Fourth Proportional to 188,017.84, 259,317.96 and 116,437.60

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Solution

The fourth proportional to 188,017.84, 259,317.96 and 116,437.60 is: 160,593.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,017.84 : 259,317.96 = 116,437.60 : x
  2. Step 2: Convert to fraction form
    188,017.84/259,317.96 = 116,437.60/x
  3. Step 3: Cross multiply
    188,017.84x = 259,317.96 × 116,437.60
  4. Step 4: Simplify right side
    188,017.84x = 30,194,360,899.30
  5. Step 5: Solve for x
    x = 30,194,360,899.30/188,017.84
  6. Step 6: Final answer
    x = 160,593.06

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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.