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Finding the Fourth Proportional to 111,646.41, 167,274.61 and 93,045.98

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Solution

The fourth proportional to 111,646.41, 167,274.61 and 93,045.98 is: 139,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,646.41 : 167,274.61 = 93,045.98 : x
  2. Step 2: Convert to fraction form
    111,646.41/167,274.61 = 93,045.98/x
  3. Step 3: Cross multiply
    111,646.41x = 167,274.61 × 93,045.98
  4. Step 4: Simplify right side
    111,646.41x = 15,564,230,098.24
  5. Step 5: Solve for x
    x = 15,564,230,098.24/111,646.41
  6. Step 6: Final answer
    x = 139,406.45

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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.