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Finding the Fourth Proportional to 188,119.50, 282,271.51 and 88,287.81

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Solution

The fourth proportional to 188,119.50, 282,271.51 and 88,287.81 is: 132,475.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,119.50 : 282,271.51 = 88,287.81 : x
  2. Step 2: Convert to fraction form
    188,119.50/282,271.51 = 88,287.81/x
  3. Step 3: Cross multiply
    188,119.50x = 282,271.51 × 88,287.81
  4. Step 4: Simplify right side
    188,119.50x = 24,921,133,443.29
  5. Step 5: Solve for x
    x = 24,921,133,443.29/188,119.50
  6. Step 6: Final answer
    x = 132,475.01

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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.