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Finding the Fourth Proportional to 163,886.56, 245,855.76 and 58,703.20

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Solution

The fourth proportional to 163,886.56, 245,855.76 and 58,703.20 is: 88,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,886.56 : 245,855.76 = 58,703.20 : x
  2. Step 2: Convert to fraction form
    163,886.56/245,855.76 = 58,703.20/x
  3. Step 3: Cross multiply
    163,886.56x = 245,855.76 × 58,703.20
  4. Step 4: Simplify right side
    163,886.56x = 14,432,519,850.43
  5. Step 5: Solve for x
    x = 14,432,519,850.43/163,886.56
  6. Step 6: Final answer
    x = 88,064.08

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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.