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Finding the Fourth Proportional to 230,484.42, 345,426.93 and 118,069.38

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Solution

The fourth proportional to 230,484.42, 345,426.93 and 118,069.38 is: 176,950.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,484.42 : 345,426.93 = 118,069.38 : x
  2. Step 2: Convert to fraction form
    230,484.42/345,426.93 = 118,069.38/x
  3. Step 3: Cross multiply
    230,484.42x = 345,426.93 × 118,069.38
  4. Step 4: Simplify right side
    230,484.42x = 40,784,343,460.40
  5. Step 5: Solve for x
    x = 40,784,343,460.40/230,484.42
  6. Step 6: Final answer
    x = 176,950.54

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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.