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Finding the Fourth Proportional to 194,460.80, 291,806.40 and 141,737.60

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Solution

The fourth proportional to 194,460.80, 291,806.40 and 141,737.60 is: 212,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,460.80 : 291,806.40 = 141,737.60 : x
  2. Step 2: Convert to fraction form
    194,460.80/291,806.40 = 141,737.60/x
  3. Step 3: Cross multiply
    194,460.80x = 291,806.40 × 141,737.60
  4. Step 4: Simplify right side
    194,460.80x = 41,359,938,800.64
  5. Step 5: Solve for x
    x = 41,359,938,800.64/194,460.80
  6. Step 6: Final answer
    x = 212,690.37

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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.