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Finding the Fourth Proportional to 185,555.34, 277,861.98 and 155,490.54

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Solution

The fourth proportional to 185,555.34, 277,861.98 and 155,490.54 is: 232,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,555.34 : 277,861.98 = 155,490.54 : x
  2. Step 2: Convert to fraction form
    185,555.34/277,861.98 = 155,490.54/x
  3. Step 3: Cross multiply
    185,555.34x = 277,861.98 × 155,490.54
  4. Step 4: Simplify right side
    185,555.34x = 43,204,909,315.67
  5. Step 5: Solve for x
    x = 43,204,909,315.67/185,555.34
  6. Step 6: Final answer
    x = 232,841.10

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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.