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Finding the Fourth Proportional to 176,168.94, 243,056.60 and 98,633.16

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Solution

The fourth proportional to 176,168.94, 243,056.60 and 98,633.16 is: 136,082.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,168.94 : 243,056.60 = 98,633.16 : x
  2. Step 2: Convert to fraction form
    176,168.94/243,056.60 = 98,633.16/x
  3. Step 3: Cross multiply
    176,168.94x = 243,056.60 × 98,633.16
  4. Step 4: Simplify right side
    176,168.94x = 23,973,440,296.98
  5. Step 5: Solve for x
    x = 23,973,440,296.98/176,168.94
  6. Step 6: Final answer
    x = 136,082.11

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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.