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Finding the Fourth Proportional to 96,955.80, 133,782.60 and 53,929.68

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Solution

The fourth proportional to 96,955.80, 133,782.60 and 53,929.68 is: 74,413.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,955.80 : 133,782.60 = 53,929.68 : x
  2. Step 2: Convert to fraction form
    96,955.80/133,782.60 = 53,929.68/x
  3. Step 3: Cross multiply
    96,955.80x = 133,782.60 × 53,929.68
  4. Step 4: Simplify right side
    96,955.80x = 7,214,852,807.57
  5. Step 5: Solve for x
    x = 7,214,852,807.57/96,955.80
  6. Step 6: Final answer
    x = 74,413.83

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1.5x scale

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.