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Finding the Fourth Proportional to 242,907.84, 335,211.72 and 134,009.20

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Solution

The fourth proportional to 242,907.84, 335,211.72 and 134,009.20 is: 184,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,907.84 : 335,211.72 = 134,009.20 : x
  2. Step 2: Convert to fraction form
    242,907.84/335,211.72 = 134,009.20/x
  3. Step 3: Cross multiply
    242,907.84x = 335,211.72 × 134,009.20
  4. Step 4: Simplify right side
    242,907.84x = 44,921,454,427.82
  5. Step 5: Solve for x
    x = 44,921,454,427.82/242,907.84
  6. Step 6: Final answer
    x = 184,932.09

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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.