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Finding the Fourth Proportional to 194,783.40, 292,175.10 and 183,119.40

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Solution

The fourth proportional to 194,783.40, 292,175.10 and 183,119.40 is: 274,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,783.40 : 292,175.10 = 183,119.40 : x
  2. Step 2: Convert to fraction form
    194,783.40/292,175.10 = 183,119.40/x
  3. Step 3: Cross multiply
    194,783.40x = 292,175.10 × 183,119.40
  4. Step 4: Simplify right side
    194,783.40x = 53,502,929,006.94
  5. Step 5: Solve for x
    x = 53,502,929,006.94/194,783.40
  6. Step 6: Final answer
    x = 274,679.10

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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.