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Finding the Fourth Proportional to 194,383.82, 290,510.68 and 141,903.82

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Solution

The fourth proportional to 194,383.82, 290,510.68 and 141,903.82 is: 212,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,383.82 : 290,510.68 = 141,903.82 : x
  2. Step 2: Convert to fraction form
    194,383.82/290,510.68 = 141,903.82/x
  3. Step 3: Cross multiply
    194,383.82x = 290,510.68 × 141,903.82
  4. Step 4: Simplify right side
    194,383.82x = 41,224,575,242.80
  5. Step 5: Solve for x
    x = 41,224,575,242.80/194,383.82
  6. Step 6: Final answer
    x = 212,078.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.