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Finding the Fourth Proportional to 134,797.03, 186,020.50 and 74,369.45

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Solution

The fourth proportional to 134,797.03, 186,020.50 and 74,369.45 is: 102,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,797.03 : 186,020.50 = 74,369.45 : x
  2. Step 2: Convert to fraction form
    134,797.03/186,020.50 = 74,369.45/x
  3. Step 3: Cross multiply
    134,797.03x = 186,020.50 × 74,369.45
  4. Step 4: Simplify right side
    134,797.03x = 13,834,241,541.42
  5. Step 5: Solve for x
    x = 13,834,241,541.42/134,797.03
  6. Step 6: Final answer
    x = 102,630.17

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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.