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Finding the Fourth Proportional to 243,034.40, 364,551.60 and 183,985.40

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Solution

The fourth proportional to 243,034.40, 364,551.60 and 183,985.40 is: 275,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,034.40 : 364,551.60 = 183,985.40 : x
  2. Step 2: Convert to fraction form
    243,034.40/364,551.60 = 183,985.40/x
  3. Step 3: Cross multiply
    243,034.40x = 364,551.60 × 183,985.40
  4. Step 4: Simplify right side
    243,034.40x = 67,072,171,946.64
  5. Step 5: Solve for x
    x = 67,072,171,946.64/243,034.40
  6. Step 6: Final answer
    x = 275,978.10

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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.