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Finding the Fourth Proportional to 173,413.30, 260,140.80 and 61,070.31

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Solution

The fourth proportional to 173,413.30, 260,140.80 and 61,070.31 is: 91,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,413.30 : 260,140.80 = 61,070.31 : x
  2. Step 2: Convert to fraction form
    173,413.30/260,140.80 = 61,070.31/x
  3. Step 3: Cross multiply
    173,413.30x = 260,140.80 × 61,070.31
  4. Step 4: Simplify right side
    173,413.30x = 15,886,879,299.65
  5. Step 5: Solve for x
    x = 15,886,879,299.65/173,413.30
  6. Step 6: Final answer
    x = 91,612.81

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1.5x scale

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.