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Finding the Fourth Proportional to 154,978.33, 232,467.50 and 61,484.08

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Solution

The fourth proportional to 154,978.33, 232,467.50 and 61,484.08 is: 92,226.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,978.33 : 232,467.50 = 61,484.08 : x
  2. Step 2: Convert to fraction form
    154,978.33/232,467.50 = 61,484.08/x
  3. Step 3: Cross multiply
    154,978.33x = 232,467.50 × 61,484.08
  4. Step 4: Simplify right side
    154,978.33x = 14,293,050,367.40
  5. Step 5: Solve for x
    x = 14,293,050,367.40/154,978.33
  6. Step 6: Final answer
    x = 92,226.12

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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.