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Finding the Fourth Proportional to 194,730.40, 292,009.20 and 89,495.20

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Solution

The fourth proportional to 194,730.40, 292,009.20 and 89,495.20 is: 134,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,730.40 : 292,009.20 = 89,495.20 : x
  2. Step 2: Convert to fraction form
    194,730.40/292,009.20 = 89,495.20/x
  3. Step 3: Cross multiply
    194,730.40x = 292,009.20 × 89,495.20
  4. Step 4: Simplify right side
    194,730.40x = 26,133,421,755.84
  5. Step 5: Solve for x
    x = 26,133,421,755.84/194,730.40
  6. Step 6: Final answer
    x = 134,203.09

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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.