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Finding the Fourth Proportional to 268,342.86, 370,316.98 and 147,495.32

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Solution

The fourth proportional to 268,342.86, 370,316.98 and 147,495.32 is: 203,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,342.86 : 370,316.98 = 147,495.32 : x
  2. Step 2: Convert to fraction form
    268,342.86/370,316.98 = 147,495.32/x
  3. Step 3: Cross multiply
    268,342.86x = 370,316.98 × 147,495.32
  4. Step 4: Simplify right side
    268,342.86x = 54,620,021,466.53
  5. Step 5: Solve for x
    x = 54,620,021,466.53/268,342.86
  6. Step 6: Final answer
    x = 203,545.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.