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Finding the Fourth Proportional to 79,548.30, 119,062.80 and 58,482.76

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Solution

The fourth proportional to 79,548.30, 119,062.80 and 58,482.76 is: 87,533.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,548.30 : 119,062.80 = 58,482.76 : x
  2. Step 2: Convert to fraction form
    79,548.30/119,062.80 = 58,482.76/x
  3. Step 3: Cross multiply
    79,548.30x = 119,062.80 × 58,482.76
  4. Step 4: Simplify right side
    79,548.30x = 6,963,121,157.33
  5. Step 5: Solve for x
    x = 6,963,121,157.33/79,548.30
  6. Step 6: Final answer
    x = 87,533.25

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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.