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Finding the Fourth Proportional to 194,973.60, 292,233.60 and 89,803.20

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Solution

The fourth proportional to 194,973.60, 292,233.60 and 89,803.20 is: 134,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,973.60 : 292,233.60 = 89,803.20 : x
  2. Step 2: Convert to fraction form
    194,973.60/292,233.60 = 89,803.20/x
  3. Step 3: Cross multiply
    194,973.60x = 292,233.60 × 89,803.20
  4. Step 4: Simplify right side
    194,973.60x = 26,243,512,427.52
  5. Step 5: Solve for x
    x = 26,243,512,427.52/194,973.60
  6. Step 6: Final answer
    x = 134,600.34

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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.