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Finding the Fourth Proportional to 228,381.62, 342,607.02 and 165,674.94

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Solution

The fourth proportional to 228,381.62, 342,607.02 and 165,674.94 is: 248,537.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,381.62 : 342,607.02 = 165,674.94 : x
  2. Step 2: Convert to fraction form
    228,381.62/342,607.02 = 165,674.94/x
  3. Step 3: Cross multiply
    228,381.62x = 342,607.02 × 165,674.94
  4. Step 4: Simplify right side
    228,381.62x = 56,761,397,482.08
  5. Step 5: Solve for x
    x = 56,761,397,482.08/228,381.62
  6. Step 6: Final answer
    x = 248,537.50

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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.