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Finding the Fourth Proportional to 243,753.40, 365,457.30 and 93,935.80

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Solution

The fourth proportional to 243,753.40, 365,457.30 and 93,935.80 is: 140,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,753.40 : 365,457.30 = 93,935.80 : x
  2. Step 2: Convert to fraction form
    243,753.40/365,457.30 = 93,935.80/x
  3. Step 3: Cross multiply
    243,753.40x = 365,457.30 × 93,935.80
  4. Step 4: Simplify right side
    243,753.40x = 34,329,523,841.34
  5. Step 5: Solve for x
    x = 34,329,523,841.34/243,753.40
  6. Step 6: Final answer
    x = 140,837.11

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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.