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Finding the Fourth Proportional to 73,925.64, 102,009.51 and 43,712.10

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Solution

The fourth proportional to 73,925.64, 102,009.51 and 43,712.10 is: 60,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,925.64 : 102,009.51 = 43,712.10 : x
  2. Step 2: Convert to fraction form
    73,925.64/102,009.51 = 43,712.10/x
  3. Step 3: Cross multiply
    73,925.64x = 102,009.51 × 43,712.10
  4. Step 4: Simplify right side
    73,925.64x = 4,459,049,902.07
  5. Step 5: Solve for x
    x = 4,459,049,902.07/73,925.64
  6. Step 6: Final answer
    x = 60,318.04

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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.