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Finding the Fourth Proportional to 176,605.56, 243,718.08 and 101,154

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Solution

The fourth proportional to 176,605.56, 243,718.08 and 101,154 is: 139,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,605.56 : 243,718.08 = 101,154 : x
  2. Step 2: Convert to fraction form
    176,605.56/243,718.08 = 101,154/x
  3. Step 3: Cross multiply
    176,605.56x = 243,718.08 × 101,154
  4. Step 4: Simplify right side
    176,605.56x = 24,653,058,664.32
  5. Step 5: Solve for x
    x = 24,653,058,664.32/176,605.56
  6. Step 6: Final answer
    x = 139,593.90

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Why These Related Problems?

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