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Finding the Fourth Proportional to 224,031.62, 336,055.60 and 74,285.01

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Solution

The fourth proportional to 224,031.62, 336,055.60 and 74,285.01 is: 111,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,031.62 : 336,055.60 = 74,285.01 : x
  2. Step 2: Convert to fraction form
    224,031.62/336,055.60 = 74,285.01/x
  3. Step 3: Cross multiply
    224,031.62x = 336,055.60 × 74,285.01
  4. Step 4: Simplify right side
    224,031.62x = 24,963,893,606.56
  5. Step 5: Solve for x
    x = 24,963,893,606.56/224,031.62
  6. Step 6: Final answer
    x = 111,430.22

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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.