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Finding the Fourth Proportional to 188,435.64, 260,056.62 and 112,982.52

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Solution

The fourth proportional to 188,435.64, 260,056.62 and 112,982.52 is: 155,925.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,435.64 : 260,056.62 = 112,982.52 : x
  2. Step 2: Convert to fraction form
    188,435.64/260,056.62 = 112,982.52/x
  3. Step 3: Cross multiply
    188,435.64x = 260,056.62 × 112,982.52
  4. Step 4: Simplify right side
    188,435.64x = 29,381,852,270.28
  5. Step 5: Solve for x
    x = 29,381,852,270.28/188,435.64
  6. Step 6: Final answer
    x = 155,925.13

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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.