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Finding the Fourth Proportional to 183,266.64, 274,812.74 and 70,999.28

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Solution

The fourth proportional to 183,266.64, 274,812.74 and 70,999.28 is: 106,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,266.64 : 274,812.74 = 70,999.28 : x
  2. Step 2: Convert to fraction form
    183,266.64/274,812.74 = 70,999.28/x
  3. Step 3: Cross multiply
    183,266.64x = 274,812.74 × 70,999.28
  4. Step 4: Simplify right side
    183,266.64x = 19,511,506,674.83
  5. Step 5: Solve for x
    x = 19,511,506,674.83/183,266.64
  6. Step 6: Final answer
    x = 106,465.13

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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.