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Finding the Fourth Proportional to 242,878.06, 364,341.39 and 74,396.44

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Solution

The fourth proportional to 242,878.06, 364,341.39 and 74,396.44 is: 111,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,878.06 : 364,341.39 = 74,396.44 : x
  2. Step 2: Convert to fraction form
    242,878.06/364,341.39 = 74,396.44/x
  3. Step 3: Cross multiply
    242,878.06x = 364,341.39 × 74,396.44
  4. Step 4: Simplify right side
    242,878.06x = 27,105,702,955.57
  5. Step 5: Solve for x
    x = 27,105,702,955.57/242,878.06
  6. Step 6: Final answer
    x = 111,602.11

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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.