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Finding the Fourth Proportional to 163,830.58, 245,745.96 and 45,501.90

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Solution

The fourth proportional to 163,830.58, 245,745.96 and 45,501.90 is: 68,252.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,830.58 : 245,745.96 = 45,501.90 : x
  2. Step 2: Convert to fraction form
    163,830.58/245,745.96 = 45,501.90/x
  3. Step 3: Cross multiply
    163,830.58x = 245,745.96 × 45,501.90
  4. Step 4: Simplify right side
    163,830.58x = 11,181,908,097.32
  5. Step 5: Solve for x
    x = 11,181,908,097.32/163,830.58
  6. Step 6: Final answer
    x = 68,252.87

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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.