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Finding the Fourth Proportional to 218,373.99, 301,362.80 and 118,925.29

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Solution

The fourth proportional to 218,373.99, 301,362.80 and 118,925.29 is: 164,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,373.99 : 301,362.80 = 118,925.29 : x
  2. Step 2: Convert to fraction form
    218,373.99/301,362.80 = 118,925.29/x
  3. Step 3: Cross multiply
    218,373.99x = 301,362.80 × 118,925.29
  4. Step 4: Simplify right side
    218,373.99x = 35,839,656,878.40
  5. Step 5: Solve for x
    x = 35,839,656,878.40/218,373.99
  6. Step 6: Final answer
    x = 164,120.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.