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Finding the Fourth Proportional to 132,056.64, 182,235.30 and 74,688.36

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Solution

The fourth proportional to 132,056.64, 182,235.30 and 74,688.36 is: 103,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,056.64 : 182,235.30 = 74,688.36 : x
  2. Step 2: Convert to fraction form
    132,056.64/182,235.30 = 74,688.36/x
  3. Step 3: Cross multiply
    132,056.64x = 182,235.30 × 74,688.36
  4. Step 4: Simplify right side
    132,056.64x = 13,610,855,691.11
  5. Step 5: Solve for x
    x = 13,610,855,691.11/132,056.64
  6. Step 6: Final answer
    x = 103,068.32

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