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Finding the Fourth Proportional to 93,287.98, 128,740.44 and 53,001.02

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Solution

The fourth proportional to 93,287.98, 128,740.44 and 53,001.02 is: 73,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,287.98 : 128,740.44 = 53,001.02 : x
  2. Step 2: Convert to fraction form
    93,287.98/128,740.44 = 53,001.02/x
  3. Step 3: Cross multiply
    93,287.98x = 128,740.44 × 53,001.02
  4. Step 4: Simplify right side
    93,287.98x = 6,823,374,635.25
  5. Step 5: Solve for x
    x = 6,823,374,635.25/93,287.98
  6. Step 6: Final answer
    x = 73,143.13

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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.