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Finding the Fourth Proportional to 62,277.60, 93,416.40 and 51,342.60

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Solution

The fourth proportional to 62,277.60, 93,416.40 and 51,342.60 is: 77,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,277.60 : 93,416.40 = 51,342.60 : x
  2. Step 2: Convert to fraction form
    62,277.60/93,416.40 = 51,342.60/x
  3. Step 3: Cross multiply
    62,277.60x = 93,416.40 × 51,342.60
  4. Step 4: Simplify right side
    62,277.60x = 4,796,240,858.64
  5. Step 5: Solve for x
    x = 4,796,240,858.64/62,277.60
  6. Step 6: Final answer
    x = 77,013.90

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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.