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Finding the Fourth Proportional to 243,681.63, 365,484.78 and 93,992.01

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Solution

The fourth proportional to 243,681.63, 365,484.78 and 93,992.01 is: 140,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,681.63 : 365,484.78 = 93,992.01 : x
  2. Step 2: Convert to fraction form
    243,681.63/365,484.78 = 93,992.01/x
  3. Step 3: Cross multiply
    243,681.63x = 365,484.78 × 93,992.01
  4. Step 4: Simplify right side
    243,681.63x = 34,352,649,096.61
  5. Step 5: Solve for x
    x = 34,352,649,096.61/243,681.63
  6. Step 6: Final answer
    x = 140,973.49

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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.