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Finding the Fourth Proportional to 111,434.94, 167,159.16 and 44,875.08

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Solution

The fourth proportional to 111,434.94, 167,159.16 and 44,875.08 is: 67,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,434.94 : 167,159.16 = 44,875.08 : x
  2. Step 2: Convert to fraction form
    111,434.94/167,159.16 = 44,875.08/x
  3. Step 3: Cross multiply
    111,434.94x = 167,159.16 × 44,875.08
  4. Step 4: Simplify right side
    111,434.94x = 7,501,280,677.73
  5. Step 5: Solve for x
    x = 7,501,280,677.73/111,434.94
  6. Step 6: Final answer
    x = 67,315.34

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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.