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Finding the Fourth Proportional to 273,159.60, 409,739.40 and 168,037.80

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Solution

The fourth proportional to 273,159.60, 409,739.40 and 168,037.80 is: 252,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,159.60 : 409,739.40 = 168,037.80 : x
  2. Step 2: Convert to fraction form
    273,159.60/409,739.40 = 168,037.80/x
  3. Step 3: Cross multiply
    273,159.60x = 409,739.40 × 168,037.80
  4. Step 4: Simplify right side
    273,159.60x = 68,851,707,349.32
  5. Step 5: Solve for x
    x = 68,851,707,349.32/273,159.60
  6. Step 6: Final answer
    x = 252,056.70

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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.