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Finding the Fourth Proportional to 185,423.40, 277,940.70 and 73,060.20

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Solution

The fourth proportional to 185,423.40, 277,940.70 and 73,060.20 is: 109,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,423.40 : 277,940.70 = 73,060.20 : x
  2. Step 2: Convert to fraction form
    185,423.40/277,940.70 = 73,060.20/x
  3. Step 3: Cross multiply
    185,423.40x = 277,940.70 × 73,060.20
  4. Step 4: Simplify right side
    185,423.40x = 20,306,403,130.14
  5. Step 5: Solve for x
    x = 20,306,403,130.14/185,423.40
  6. Step 6: Final answer
    x = 109,513.70

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1.5x scale

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.