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Finding the Fourth Proportional to 242,322.73, 334,416.46 and 134,899.72

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Solution

The fourth proportional to 242,322.73, 334,416.46 and 134,899.72 is: 186,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,322.73 : 334,416.46 = 134,899.72 : x
  2. Step 2: Convert to fraction form
    242,322.73/334,416.46 = 134,899.72/x
  3. Step 3: Cross multiply
    242,322.73x = 334,416.46 × 134,899.72
  4. Step 4: Simplify right side
    242,322.73x = 45,112,686,817.39
  5. Step 5: Solve for x
    x = 45,112,686,817.39/242,322.73
  6. Step 6: Final answer
    x = 186,167.79

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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.