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Finding the Fourth Proportional to 178,312.68, 265,874.85 and 173,413.80

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Solution

The fourth proportional to 178,312.68, 265,874.85 and 173,413.80 is: 258,570.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,312.68 : 265,874.85 = 173,413.80 : x
  2. Step 2: Convert to fraction form
    178,312.68/265,874.85 = 173,413.80/x
  3. Step 3: Cross multiply
    178,312.68x = 265,874.85 × 173,413.80
  4. Step 4: Simplify right side
    178,312.68x = 46,106,368,062.93
  5. Step 5: Solve for x
    x = 46,106,368,062.93/178,312.68
  6. Step 6: Final answer
    x = 258,570.33

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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.