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Finding the Fourth Proportional to 242,376.84, 334,479.28 and 134,944.08

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Solution

The fourth proportional to 242,376.84, 334,479.28 and 134,944.08 is: 186,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,376.84 : 334,479.28 = 134,944.08 : x
  2. Step 2: Convert to fraction form
    242,376.84/334,479.28 = 134,944.08/x
  3. Step 3: Cross multiply
    242,376.84x = 334,479.28 × 134,944.08
  4. Step 4: Simplify right side
    242,376.84x = 45,135,998,718.66
  5. Step 5: Solve for x
    x = 45,135,998,718.66/242,376.84
  6. Step 6: Final answer
    x = 186,222.41

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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.