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Finding the Fourth Proportional to 183,653.40, 275,480.10 and 127,666.20

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Solution

The fourth proportional to 183,653.40, 275,480.10 and 127,666.20 is: 191,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,653.40 : 275,480.10 = 127,666.20 : x
  2. Step 2: Convert to fraction form
    183,653.40/275,480.10 = 127,666.20/x
  3. Step 3: Cross multiply
    183,653.40x = 275,480.10 × 127,666.20
  4. Step 4: Simplify right side
    183,653.40x = 35,169,497,542.62
  5. Step 5: Solve for x
    x = 35,169,497,542.62/183,653.40
  6. Step 6: Final answer
    x = 191,499.30

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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.