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Finding the Fourth Proportional to 200,051.20, 299,673.60 and 124,940.80

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Solution

The fourth proportional to 200,051.20, 299,673.60 and 124,940.80 is: 187,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,051.20 : 299,673.60 = 124,940.80 : x
  2. Step 2: Convert to fraction form
    200,051.20/299,673.60 = 124,940.80/x
  3. Step 3: Cross multiply
    200,051.20x = 299,673.60 × 124,940.80
  4. Step 4: Simplify right side
    200,051.20x = 37,441,459,322.88
  5. Step 5: Solve for x
    x = 37,441,459,322.88/200,051.20
  6. Step 6: Final answer
    x = 187,159.38

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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.