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Finding the Fourth Proportional to 222,583.01, 307,157.87 and 127,071.05

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Solution

The fourth proportional to 222,583.01, 307,157.87 and 127,071.05 is: 175,354.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,583.01 : 307,157.87 = 127,071.05 : x
  2. Step 2: Convert to fraction form
    222,583.01/307,157.87 = 127,071.05/x
  3. Step 3: Cross multiply
    222,583.01x = 307,157.87 × 127,071.05
  4. Step 4: Simplify right side
    222,583.01x = 39,030,871,838.55
  5. Step 5: Solve for x
    x = 39,030,871,838.55/222,583.01
  6. Step 6: Final answer
    x = 175,354.23

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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.