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Finding the Fourth Proportional to 189,383.80, 284,075.70 and 95,877.40

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Solution

The fourth proportional to 189,383.80, 284,075.70 and 95,877.40 is: 143,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,383.80 : 284,075.70 = 95,877.40 : x
  2. Step 2: Convert to fraction form
    189,383.80/284,075.70 = 95,877.40/x
  3. Step 3: Cross multiply
    189,383.80x = 284,075.70 × 95,877.40
  4. Step 4: Simplify right side
    189,383.80x = 27,236,439,519.18
  5. Step 5: Solve for x
    x = 27,236,439,519.18/189,383.80
  6. Step 6: Final answer
    x = 143,816.10

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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.