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Finding the Fourth Proportional to 243,080.20, 364,603.02 and 65,597.32

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Solution

The fourth proportional to 243,080.20, 364,603.02 and 65,597.32 is: 98,391.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,080.20 : 364,603.02 = 65,597.32 : x
  2. Step 2: Convert to fraction form
    243,080.20/364,603.02 = 65,597.32/x
  3. Step 3: Cross multiply
    243,080.20x = 364,603.02 × 65,597.32
  4. Step 4: Simplify right side
    243,080.20x = 23,916,980,975.91
  5. Step 5: Solve for x
    x = 23,916,980,975.91/243,080.20
  6. Step 6: Final answer
    x = 98,391.32

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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.