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Finding the Fourth Proportional to 93,842.62, 140,681.43 and 48,769.08

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Solution

The fourth proportional to 93,842.62, 140,681.43 and 48,769.08 is: 73,110.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,842.62 : 140,681.43 = 48,769.08 : x
  2. Step 2: Convert to fraction form
    93,842.62/140,681.43 = 48,769.08/x
  3. Step 3: Cross multiply
    93,842.62x = 140,681.43 × 48,769.08
  4. Step 4: Simplify right side
    93,842.62x = 6,860,903,670.34
  5. Step 5: Solve for x
    x = 6,860,903,670.34/93,842.62
  6. Step 6: Final answer
    x = 73,110.74

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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.