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Finding the Fourth Proportional to 117,006.30, 175,509.45 and 112,413.60

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Solution

The fourth proportional to 117,006.30, 175,509.45 and 112,413.60 is: 168,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,006.30 : 175,509.45 = 112,413.60 : x
  2. Step 2: Convert to fraction form
    117,006.30/175,509.45 = 112,413.60/x
  3. Step 3: Cross multiply
    117,006.30x = 175,509.45 × 112,413.60
  4. Step 4: Simplify right side
    117,006.30x = 19,729,649,108.52
  5. Step 5: Solve for x
    x = 19,729,649,108.52/117,006.30
  6. Step 6: Final answer
    x = 168,620.40

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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.