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Finding the Fourth Proportional to 133,482.72, 200,273.30 and 70,300.28

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Solution

The fourth proportional to 133,482.72, 200,273.30 and 70,300.28 is: 105,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,482.72 : 200,273.30 = 70,300.28 : x
  2. Step 2: Convert to fraction form
    133,482.72/200,273.30 = 70,300.28/x
  3. Step 3: Cross multiply
    133,482.72x = 200,273.30 × 70,300.28
  4. Step 4: Simplify right side
    133,482.72x = 14,079,269,066.52
  5. Step 5: Solve for x
    x = 14,079,269,066.52/133,482.72
  6. Step 6: Final answer
    x = 105,476.34

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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.