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Finding the Fourth Proportional to 93,339.27, 139,413.95 and 84,440.97

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Solution

The fourth proportional to 93,339.27, 139,413.95 and 84,440.97 is: 126,123.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,339.27 : 139,413.95 = 84,440.97 : x
  2. Step 2: Convert to fraction form
    93,339.27/139,413.95 = 84,440.97/x
  3. Step 3: Cross multiply
    93,339.27x = 139,413.95 × 84,440.97
  4. Step 4: Simplify right side
    93,339.27x = 11,772,248,747.33
  5. Step 5: Solve for x
    x = 11,772,248,747.33/93,339.27
  6. Step 6: Final answer
    x = 126,123.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.