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Finding the Fourth Proportional to 242,879.01, 364,318.19 and 65,386.21

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Solution

The fourth proportional to 242,879.01, 364,318.19 and 65,386.21 is: 98,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,879.01 : 364,318.19 = 65,386.21 : x
  2. Step 2: Convert to fraction form
    242,879.01/364,318.19 = 65,386.21/x
  3. Step 3: Cross multiply
    242,879.01x = 364,318.19 × 65,386.21
  4. Step 4: Simplify right side
    242,879.01x = 23,821,385,351.23
  5. Step 5: Solve for x
    x = 23,821,385,351.23/242,879.01
  6. Step 6: Final answer
    x = 98,079.23

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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.