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Finding the Fourth Proportional to 111,637.69, 167,281.50 and 94,929.01

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Solution

The fourth proportional to 111,637.69, 167,281.50 and 94,929.01 is: 142,244.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,637.69 : 167,281.50 = 94,929.01 : x
  2. Step 2: Convert to fraction form
    111,637.69/167,281.50 = 94,929.01/x
  3. Step 3: Cross multiply
    111,637.69x = 167,281.50 × 94,929.01
  4. Step 4: Simplify right side
    111,637.69x = 15,879,867,186.32
  5. Step 5: Solve for x
    x = 15,879,867,186.32/111,637.69
  6. Step 6: Final answer
    x = 142,244.68

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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.