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Finding the Fourth Proportional to 84,413.88, 116,494.20 and 46,688.40

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Solution

The fourth proportional to 84,413.88, 116,494.20 and 46,688.40 is: 64,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,413.88 : 116,494.20 = 46,688.40 : x
  2. Step 2: Convert to fraction form
    84,413.88/116,494.20 = 46,688.40/x
  3. Step 3: Cross multiply
    84,413.88x = 116,494.20 × 46,688.40
  4. Step 4: Simplify right side
    84,413.88x = 5,438,927,807.28
  5. Step 5: Solve for x
    x = 5,438,927,807.28/84,413.88
  6. Step 6: Final answer
    x = 64,431.68

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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.