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Finding the Fourth Proportional to 242,925.94, 335,236.93 and 135,495.89

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Solution

The fourth proportional to 242,925.94, 335,236.93 and 135,495.89 is: 186,983.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,925.94 : 335,236.93 = 135,495.89 : x
  2. Step 2: Convert to fraction form
    242,925.94/335,236.93 = 135,495.89/x
  3. Step 3: Cross multiply
    242,925.94x = 335,236.93 × 135,495.89
  4. Step 4: Simplify right side
    242,925.94x = 45,423,225,433.43
  5. Step 5: Solve for x
    x = 45,423,225,433.43/242,925.94
  6. Step 6: Final answer
    x = 186,983.84

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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.