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Finding the Fourth Proportional to 77,295.33, 115,792.00 and 53,275.37

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Solution

The fourth proportional to 77,295.33, 115,792.00 and 53,275.37 is: 79,808.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,295.33 : 115,792.00 = 53,275.37 : x
  2. Step 2: Convert to fraction form
    77,295.33/115,792.00 = 53,275.37/x
  3. Step 3: Cross multiply
    77,295.33x = 115,792.00 × 53,275.37
  4. Step 4: Simplify right side
    77,295.33x = 6,168,861,564.89
  5. Step 5: Solve for x
    x = 6,168,861,564.89/77,295.33
  6. Step 6: Final answer
    x = 79,808.98

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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.