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Finding the Fourth Proportional to 93,175.60, 128,579.52 and 51,782.46

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Solution

The fourth proportional to 93,175.60, 128,579.52 and 51,782.46 is: 71,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,175.60 : 128,579.52 = 51,782.46 : x
  2. Step 2: Convert to fraction form
    93,175.60/128,579.52 = 51,782.46/x
  3. Step 3: Cross multiply
    93,175.60x = 128,579.52 × 51,782.46
  4. Step 4: Simplify right side
    93,175.60x = 6,658,163,851.22
  5. Step 5: Solve for x
    x = 6,658,163,851.22/93,175.60
  6. Step 6: Final answer
    x = 71,458.23

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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.