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Finding the Fourth Proportional to 342,354.36, 513,427.86 and 93,003.96

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Solution

The fourth proportional to 342,354.36, 513,427.86 and 93,003.96 is: 139,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,354.36 : 513,427.86 = 93,003.96 : x
  2. Step 2: Convert to fraction form
    342,354.36/513,427.86 = 93,003.96/x
  3. Step 3: Cross multiply
    342,354.36x = 513,427.86 × 93,003.96
  4. Step 4: Simplify right side
    342,354.36x = 47,750,824,154.33
  5. Step 5: Solve for x
    x = 47,750,824,154.33/342,354.36
  6. Step 6: Final answer
    x = 139,477.77

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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.