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Finding the Fourth Proportional to 236,303.80, 354,501.83 and 76,419.45

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Solution

The fourth proportional to 236,303.80, 354,501.83 and 76,419.45 is: 114,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,303.80 : 354,501.83 = 76,419.45 : x
  2. Step 2: Convert to fraction form
    236,303.80/354,501.83 = 76,419.45/x
  3. Step 3: Cross multiply
    236,303.80x = 354,501.83 × 76,419.45
  4. Step 4: Simplify right side
    236,303.80x = 27,090,835,063.64
  5. Step 5: Solve for x
    x = 27,090,835,063.64/236,303.80
  6. Step 6: Final answer
    x = 114,644.10

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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.