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Finding the Fourth Proportional to 242,857.87, 335,405.25 and 184,878.67

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Solution

The fourth proportional to 242,857.87, 335,405.25 and 184,878.67 is: 255,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,857.87 : 335,405.25 = 184,878.67 : x
  2. Step 2: Convert to fraction form
    242,857.87/335,405.25 = 184,878.67/x
  3. Step 3: Cross multiply
    242,857.87x = 335,405.25 × 184,878.67
  4. Step 4: Simplify right side
    242,857.87x = 62,009,276,531.02
  5. Step 5: Solve for x
    x = 62,009,276,531.02/242,857.87
  6. Step 6: Final answer
    x = 255,331.55

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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.