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Finding the Fourth Proportional to 188,810.08, 283,264.32 and 70,482.40

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Solution

The fourth proportional to 188,810.08, 283,264.32 and 70,482.40 is: 105,741.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,810.08 : 283,264.32 = 70,482.40 : x
  2. Step 2: Convert to fraction form
    188,810.08/283,264.32 = 70,482.40/x
  3. Step 3: Cross multiply
    188,810.08x = 283,264.32 × 70,482.40
  4. Step 4: Simplify right side
    188,810.08x = 19,965,149,107.97
  5. Step 5: Solve for x
    x = 19,965,149,107.97/188,810.08
  6. Step 6: Final answer
    x = 105,741.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.