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Finding the Fourth Proportional to 182,817.40, 273,642.90 and 143,159.80

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Solution

The fourth proportional to 182,817.40, 273,642.90 and 143,159.80 is: 214,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,817.40 : 273,642.90 = 143,159.80 : x
  2. Step 2: Convert to fraction form
    182,817.40/273,642.90 = 143,159.80/x
  3. Step 3: Cross multiply
    182,817.40x = 273,642.90 × 143,159.80
  4. Step 4: Simplify right side
    182,817.40x = 39,174,662,835.42
  5. Step 5: Solve for x
    x = 39,174,662,835.42/182,817.40
  6. Step 6: Final answer
    x = 214,283.01

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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.