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Finding the Fourth Proportional to 242,768.72, 364,153.08 and 102,528.56

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Solution

The fourth proportional to 242,768.72, 364,153.08 and 102,528.56 is: 153,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,768.72 : 364,153.08 = 102,528.56 : x
  2. Step 2: Convert to fraction form
    242,768.72/364,153.08 = 102,528.56/x
  3. Step 3: Cross multiply
    242,768.72x = 364,153.08 × 102,528.56
  4. Step 4: Simplify right side
    242,768.72x = 37,336,090,911.96
  5. Step 5: Solve for x
    x = 37,336,090,911.96/242,768.72
  6. Step 6: Final answer
    x = 153,792.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.