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Finding the Fourth Proportional to 152,396.89, 228,606.29 and 52,555.65

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Solution

The fourth proportional to 152,396.89, 228,606.29 and 52,555.65 is: 78,837.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,396.89 : 228,606.29 = 52,555.65 : x
  2. Step 2: Convert to fraction form
    152,396.89/228,606.29 = 52,555.65/x
  3. Step 3: Cross multiply
    152,396.89x = 228,606.29 × 52,555.65
  4. Step 4: Simplify right side
    152,396.89x = 12,014,551,242.07
  5. Step 5: Solve for x
    x = 12,014,551,242.07/152,396.89
  6. Step 6: Final answer
    x = 78,837.25

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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.