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Finding the Fourth Proportional to 163,621.60, 245,662.80 and 101,413.60

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Solution

The fourth proportional to 163,621.60, 245,662.80 and 101,413.60 is: 152,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,621.60 : 245,662.80 = 101,413.60 : x
  2. Step 2: Convert to fraction form
    163,621.60/245,662.80 = 101,413.60/x
  3. Step 3: Cross multiply
    163,621.60x = 245,662.80 × 101,413.60
  4. Step 4: Simplify right side
    163,621.60x = 24,913,548,934.08
  5. Step 5: Solve for x
    x = 24,913,548,934.08/163,621.60
  6. Step 6: Final answer
    x = 152,263.20

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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.