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Finding the Fourth Proportional to 152,152.40, 228,228.60 and 104,913.20

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Solution

The fourth proportional to 152,152.40, 228,228.60 and 104,913.20 is: 157,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,152.40 : 228,228.60 = 104,913.20 : x
  2. Step 2: Convert to fraction form
    152,152.40/228,228.60 = 104,913.20/x
  3. Step 3: Cross multiply
    152,152.40x = 228,228.60 × 104,913.20
  4. Step 4: Simplify right side
    152,152.40x = 23,944,192,757.52
  5. Step 5: Solve for x
    x = 23,944,192,757.52/152,152.40
  6. Step 6: Final answer
    x = 157,369.80

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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.