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Finding the Fourth Proportional to 188,806.37, 283,041.08 and 70,483.19

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Solution

The fourth proportional to 188,806.37, 283,041.08 and 70,483.19 is: 105,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,806.37 : 283,041.08 = 70,483.19 : x
  2. Step 2: Convert to fraction form
    188,806.37/283,041.08 = 70,483.19/x
  3. Step 3: Cross multiply
    188,806.37x = 283,041.08 × 70,483.19
  4. Step 4: Simplify right side
    188,806.37x = 19,949,638,219.45
  5. Step 5: Solve for x
    x = 19,949,638,219.45/188,806.37
  6. Step 6: Final answer
    x = 105,661.89

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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.