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Finding the Fourth Proportional to 161,484.90, 243,744.16 and 161,484.90

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Solution

The fourth proportional to 161,484.90, 243,744.16 and 161,484.90 is: 243,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,484.90 : 243,744.16 = 161,484.90 : x
  2. Step 2: Convert to fraction form
    161,484.90/243,744.16 = 161,484.90/x
  3. Step 3: Cross multiply
    161,484.90x = 243,744.16 × 161,484.90
  4. Step 4: Simplify right side
    161,484.90x = 39,361,001,303.18
  5. Step 5: Solve for x
    x = 39,361,001,303.18/161,484.90
  6. Step 6: Final answer
    x = 243,744.16

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.