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Finding the Fourth Proportional to 185,017.60, 277,234.80 and 155,274.40

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Solution

The fourth proportional to 185,017.60, 277,234.80 and 155,274.40 is: 232,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,017.60 : 277,234.80 = 155,274.40 : x
  2. Step 2: Convert to fraction form
    185,017.60/277,234.80 = 155,274.40/x
  3. Step 3: Cross multiply
    185,017.60x = 277,234.80 × 155,274.40
  4. Step 4: Simplify right side
    185,017.60x = 43,047,467,229.12
  5. Step 5: Solve for x
    x = 43,047,467,229.12/185,017.60
  6. Step 6: Final answer
    x = 232,666.88

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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.