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Finding the Fourth Proportional to 228,443.63, 342,785.32 and 93,607.79

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Solution

The fourth proportional to 228,443.63, 342,785.32 and 93,607.79 is: 140,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,443.63 : 342,785.32 = 93,607.79 : x
  2. Step 2: Convert to fraction form
    228,443.63/342,785.32 = 93,607.79/x
  3. Step 3: Cross multiply
    228,443.63x = 342,785.32 × 93,607.79
  4. Step 4: Simplify right side
    228,443.63x = 32,087,374,301.70
  5. Step 5: Solve for x
    x = 32,087,374,301.70/228,443.63
  6. Step 6: Final answer
    x = 140,460.80

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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.