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Finding the Fourth Proportional to 194,946.40, 292,419.60 and 124,962.40

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Solution

The fourth proportional to 194,946.40, 292,419.60 and 124,962.40 is: 187,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,946.40 : 292,419.60 = 124,962.40 : x
  2. Step 2: Convert to fraction form
    194,946.40/292,419.60 = 124,962.40/x
  3. Step 3: Cross multiply
    194,946.40x = 292,419.60 × 124,962.40
  4. Step 4: Simplify right side
    194,946.40x = 36,541,455,023.04
  5. Step 5: Solve for x
    x = 36,541,455,023.04/194,946.40
  6. Step 6: Final answer
    x = 187,443.60

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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.