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Finding the Fourth Proportional to 178,351.43, 246,124.95 and 97,779.51

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Solution

The fourth proportional to 178,351.43, 246,124.95 and 97,779.51 is: 134,935.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,351.43 : 246,124.95 = 97,779.51 : x
  2. Step 2: Convert to fraction form
    178,351.43/246,124.95 = 97,779.51/x
  3. Step 3: Cross multiply
    178,351.43x = 246,124.95 × 97,779.51
  4. Step 4: Simplify right side
    178,351.43x = 24,065,977,009.77
  5. Step 5: Solve for x
    x = 24,065,977,009.77/178,351.43
  6. Step 6: Final answer
    x = 134,935.71

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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.