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Finding the Fourth Proportional to 236,795.81, 355,206.01 and 118,427.16

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Solution

The fourth proportional to 236,795.81, 355,206.01 and 118,427.16 is: 177,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,795.81 : 355,206.01 = 118,427.16 : x
  2. Step 2: Convert to fraction form
    236,795.81/355,206.01 = 118,427.16/x
  3. Step 3: Cross multiply
    236,795.81x = 355,206.01 × 118,427.16
  4. Step 4: Simplify right side
    236,795.81x = 42,066,040,237.24
  5. Step 5: Solve for x
    x = 42,066,040,237.24/236,795.81
  6. Step 6: Final answer
    x = 177,646.90

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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.