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Finding the Fourth Proportional to 74,185,653.48, 102,257,956.02 and 58,479,084.48

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Solution

The fourth proportional to 74,185,653.48, 102,257,956.02 and 58,479,084.48 is: 80,607,925.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,185,653.48 : 102,257,956.02 = 58,479,084.48 : x
  2. Step 2: Convert to fraction form
    74,185,653.48/102,257,956.02 = 58,479,084.48/x
  3. Step 3: Cross multiply
    74,185,653.48x = 102,257,956.02 × 58,479,084.48
  4. Step 4: Simplify right side
    74,185,653.48x = 5,979,951,648,845,704
  5. Step 5: Solve for x
    x = 5,979,951,648,845,704/74,185,653.48
  6. Step 6: Final answer
    x = 80,607,925.77

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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.