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Finding the Fourth Proportional to 152,087, 228,130.50 and 41,279

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Solution

The fourth proportional to 152,087, 228,130.50 and 41,279 is: 61,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,087 : 228,130.50 = 41,279 : x
  2. Step 2: Convert to fraction form
    152,087/228,130.50 = 41,279/x
  3. Step 3: Cross multiply
    152,087x = 228,130.50 × 41,279
  4. Step 4: Simplify right side
    152,087x = 9,416,998,909.50
  5. Step 5: Solve for x
    x = 9,416,998,909.50/152,087
  6. Step 6: Final answer
    x = 61,918.50

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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.