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Finding the Fourth Proportional to 184,103.20, 254,069.72 and 103,530.32

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Solution

The fourth proportional to 184,103.20, 254,069.72 and 103,530.32 is: 142,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,103.20 : 254,069.72 = 103,530.32 : x
  2. Step 2: Convert to fraction form
    184,103.20/254,069.72 = 103,530.32/x
  3. Step 3: Cross multiply
    184,103.20x = 254,069.72 × 103,530.32
  4. Step 4: Simplify right side
    184,103.20x = 26,303,919,413.91
  5. Step 5: Solve for x
    x = 26,303,919,413.91/184,103.20
  6. Step 6: Final answer
    x = 142,875.95

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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.