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Finding the Fourth Proportional to 93,410.66, 128,909.56 and 53,130.23

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Solution

The fourth proportional to 93,410.66, 128,909.56 and 53,130.23 is: 73,321.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,410.66 : 128,909.56 = 53,130.23 : x
  2. Step 2: Convert to fraction form
    93,410.66/128,909.56 = 53,130.23/x
  3. Step 3: Cross multiply
    93,410.66x = 128,909.56 × 53,130.23
  4. Step 4: Simplify right side
    93,410.66x = 6,848,994,572.00
  5. Step 5: Solve for x
    x = 6,848,994,572.00/93,410.66
  6. Step 6: Final answer
    x = 73,321.34

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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.