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Finding the Fourth Proportional to 243,329.34, 364,994.88 and 74,848.53

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Solution

The fourth proportional to 243,329.34, 364,994.88 and 74,848.53 is: 112,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,329.34 : 364,994.88 = 74,848.53 : x
  2. Step 2: Convert to fraction form
    243,329.34/364,994.88 = 74,848.53/x
  3. Step 3: Cross multiply
    243,329.34x = 364,994.88 × 74,848.53
  4. Step 4: Simplify right side
    243,329.34x = 27,319,330,225.53
  5. Step 5: Solve for x
    x = 27,319,330,225.53/243,329.34
  6. Step 6: Final answer
    x = 112,273.06

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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.