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Finding the Fourth Proportional to 152,613.60, 228,758.40 and 73,676.40

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Solution

The fourth proportional to 152,613.60, 228,758.40 and 73,676.40 is: 110,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,613.60 : 228,758.40 = 73,676.40 : x
  2. Step 2: Convert to fraction form
    152,613.60/228,758.40 = 73,676.40/x
  3. Step 3: Cross multiply
    152,613.60x = 228,758.40 × 73,676.40
  4. Step 4: Simplify right side
    152,613.60x = 16,854,095,381.76
  5. Step 5: Solve for x
    x = 16,854,095,381.76/152,613.60
  6. Step 6: Final answer
    x = 110,436.39

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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.