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Finding the Fourth Proportional to 137,666.99, 190,047.20 and 92,328.39

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Solution

The fourth proportional to 137,666.99, 190,047.20 and 92,328.39 is: 127,457.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,666.99 : 190,047.20 = 92,328.39 : x
  2. Step 2: Convert to fraction form
    137,666.99/190,047.20 = 92,328.39/x
  3. Step 3: Cross multiply
    137,666.99x = 190,047.20 × 92,328.39
  4. Step 4: Simplify right side
    137,666.99x = 17,546,751,538.37
  5. Step 5: Solve for x
    x = 17,546,751,538.37/137,666.99
  6. Step 6: Final answer
    x = 127,457.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.