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Finding the Fourth Proportional to 183,114.40, 274,671.60 and 129,970.30

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Solution

The fourth proportional to 183,114.40, 274,671.60 and 129,970.30 is: 194,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,114.40 : 274,671.60 = 129,970.30 : x
  2. Step 2: Convert to fraction form
    183,114.40/274,671.60 = 129,970.30/x
  3. Step 3: Cross multiply
    183,114.40x = 274,671.60 × 129,970.30
  4. Step 4: Simplify right side
    183,114.40x = 35,699,150,253.48
  5. Step 5: Solve for x
    x = 35,699,150,253.48/183,114.40
  6. Step 6: Final answer
    x = 194,955.45

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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.