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Finding the Fourth Proportional to 242,858.61, 335,147.06 and 133,967.12

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Solution

The fourth proportional to 242,858.61, 335,147.06 and 133,967.12 is: 184,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,858.61 : 335,147.06 = 133,967.12 : x
  2. Step 2: Convert to fraction form
    242,858.61/335,147.06 = 133,967.12/x
  3. Step 3: Cross multiply
    242,858.61x = 335,147.06 × 133,967.12
  4. Step 4: Simplify right side
    242,858.61x = 44,898,685,063.85
  5. Step 5: Solve for x
    x = 44,898,685,063.85/242,858.61
  6. Step 6: Final answer
    x = 184,875.82

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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.