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Finding the Fourth Proportional to 188,532.64, 260,147.96 and 110,962.16

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Solution

The fourth proportional to 188,532.64, 260,147.96 and 110,962.16 is: 153,111.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,532.64 : 260,147.96 = 110,962.16 : x
  2. Step 2: Convert to fraction form
    188,532.64/260,147.96 = 110,962.16/x
  3. Step 3: Cross multiply
    188,532.64x = 260,147.96 × 110,962.16
  4. Step 4: Simplify right side
    188,532.64x = 28,866,579,561.19
  5. Step 5: Solve for x
    x = 28,866,579,561.19/188,532.64
  6. Step 6: Final answer
    x = 153,111.84

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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.