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Finding the Fourth Proportional to 243,803.60, 365,721.80 and 94,045.13

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Solution

The fourth proportional to 243,803.60, 365,721.80 and 94,045.13 is: 141,074.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,803.60 : 365,721.80 = 94,045.13 : x
  2. Step 2: Convert to fraction form
    243,803.60/365,721.80 = 94,045.13/x
  3. Step 3: Cross multiply
    243,803.60x = 365,721.80 × 94,045.13
  4. Step 4: Simplify right side
    243,803.60x = 34,394,351,926.00
  5. Step 5: Solve for x
    x = 34,394,351,926.00/243,803.60
  6. Step 6: Final answer
    x = 141,074.01

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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.