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Finding the Fourth Proportional to 155,651.80, 233,477.70 and 92,666.20

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Solution

The fourth proportional to 155,651.80, 233,477.70 and 92,666.20 is: 138,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,651.80 : 233,477.70 = 92,666.20 : x
  2. Step 2: Convert to fraction form
    155,651.80/233,477.70 = 92,666.20/x
  3. Step 3: Cross multiply
    155,651.80x = 233,477.70 × 92,666.20
  4. Step 4: Simplify right side
    155,651.80x = 21,635,491,243.74
  5. Step 5: Solve for x
    x = 21,635,491,243.74/155,651.80
  6. Step 6: Final answer
    x = 138,999.30

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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.