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Finding the Fourth Proportional to 152,337.60, 228,045.60 and 135,748.80

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Solution

The fourth proportional to 152,337.60, 228,045.60 and 135,748.80 is: 203,212.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,337.60 : 228,045.60 = 135,748.80 : x
  2. Step 2: Convert to fraction form
    152,337.60/228,045.60 = 135,748.80/x
  3. Step 3: Cross multiply
    152,337.60x = 228,045.60 × 135,748.80
  4. Step 4: Simplify right side
    152,337.60x = 30,956,916,545.28
  5. Step 5: Solve for x
    x = 30,956,916,545.28/152,337.60
  6. Step 6: Final answer
    x = 203,212.58

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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.