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Finding the Fourth Proportional to 176,420.81, 243,561.62 and 116,166.53

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Solution

The fourth proportional to 176,420.81, 243,561.62 and 116,166.53 is: 160,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,420.81 : 243,561.62 = 116,166.53 : x
  2. Step 2: Convert to fraction form
    176,420.81/243,561.62 = 116,166.53/x
  3. Step 3: Cross multiply
    176,420.81x = 243,561.62 × 116,166.53
  4. Step 4: Simplify right side
    176,420.81x = 28,293,707,655.75
  5. Step 5: Solve for x
    x = 28,293,707,655.75/176,420.81
  6. Step 6: Final answer
    x = 160,376.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.