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Finding the Fourth Proportional to 242,756.78, 364,325.85 and 168,400.17

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Solution

The fourth proportional to 242,756.78, 364,325.85 and 168,400.17 is: 252,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,756.78 : 364,325.85 = 168,400.17 : x
  2. Step 2: Convert to fraction form
    242,756.78/364,325.85 = 168,400.17/x
  3. Step 3: Cross multiply
    242,756.78x = 364,325.85 × 168,400.17
  4. Step 4: Simplify right side
    242,756.78x = 61,352,535,075.39
  5. Step 5: Solve for x
    x = 61,352,535,075.39/242,756.78
  6. Step 6: Final answer
    x = 252,732.53

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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.