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Finding the Fourth Proportional to 247,185.72, 341,118.54 and 134,008.74

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Solution

The fourth proportional to 247,185.72, 341,118.54 and 134,008.74 is: 184,933.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,185.72 : 341,118.54 = 134,008.74 : x
  2. Step 2: Convert to fraction form
    247,185.72/341,118.54 = 134,008.74/x
  3. Step 3: Cross multiply
    247,185.72x = 341,118.54 × 134,008.74
  4. Step 4: Simplify right side
    247,185.72x = 45,712,865,736.04
  5. Step 5: Solve for x
    x = 45,712,865,736.04/247,185.72
  6. Step 6: Final answer
    x = 184,933.28

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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.