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Finding the Fourth Proportional to 255,094.60, 382,814.70 and 166,131.40

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Solution

The fourth proportional to 255,094.60, 382,814.70 and 166,131.40 is: 249,309.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,094.60 : 382,814.70 = 166,131.40 : x
  2. Step 2: Convert to fraction form
    255,094.60/382,814.70 = 166,131.40/x
  3. Step 3: Cross multiply
    255,094.60x = 382,814.70 × 166,131.40
  4. Step 4: Simplify right side
    255,094.60x = 63,597,542,051.58
  5. Step 5: Solve for x
    x = 63,597,542,051.58/255,094.60
  6. Step 6: Final answer
    x = 249,309.64

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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.