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Finding the Fourth Proportional to 124,495.86, 171,804.02 and 67,907.24

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Solution

The fourth proportional to 124,495.86, 171,804.02 and 67,907.24 is: 93,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,495.86 : 171,804.02 = 67,907.24 : x
  2. Step 2: Convert to fraction form
    124,495.86/171,804.02 = 67,907.24/x
  3. Step 3: Cross multiply
    124,495.86x = 171,804.02 × 67,907.24
  4. Step 4: Simplify right side
    124,495.86x = 11,666,736,819.10
  5. Step 5: Solve for x
    x = 11,666,736,819.10/124,495.86
  6. Step 6: Final answer
    x = 93,711.85

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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.