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Finding the Fourth Proportional to 176,608.16, 243,741.32 and 101,156.64

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Solution

The fourth proportional to 176,608.16, 243,741.32 and 101,156.64 is: 139,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,608.16 : 243,741.32 = 101,156.64 : x
  2. Step 2: Convert to fraction form
    176,608.16/243,741.32 = 101,156.64/x
  3. Step 3: Cross multiply
    176,608.16x = 243,741.32 × 101,156.64
  4. Step 4: Simplify right side
    176,608.16x = 24,656,052,960.36
  5. Step 5: Solve for x
    x = 24,656,052,960.36/176,608.16
  6. Step 6: Final answer
    x = 139,608.80

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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.