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Finding the Fourth Proportional to 159,380.40, 239,070.60 and 92,895.60

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Solution

The fourth proportional to 159,380.40, 239,070.60 and 92,895.60 is: 139,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,380.40 : 239,070.60 = 92,895.60 : x
  2. Step 2: Convert to fraction form
    159,380.40/239,070.60 = 92,895.60/x
  3. Step 3: Cross multiply
    159,380.40x = 239,070.60 × 92,895.60
  4. Step 4: Simplify right side
    159,380.40x = 22,208,606,829.36
  5. Step 5: Solve for x
    x = 22,208,606,829.36/159,380.40
  6. Step 6: Final answer
    x = 139,343.40

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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.