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Finding the Fourth Proportional to 93,258.84, 128,693.16 and 52,972.48

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Solution

The fourth proportional to 93,258.84, 128,693.16 and 52,972.48 is: 73,099.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,258.84 : 128,693.16 = 52,972.48 : x
  2. Step 2: Convert to fraction form
    93,258.84/128,693.16 = 52,972.48/x
  3. Step 3: Cross multiply
    93,258.84x = 128,693.16 × 52,972.48
  4. Step 4: Simplify right side
    93,258.84x = 6,817,195,844.24
  5. Step 5: Solve for x
    x = 6,817,195,844.24/93,258.84
  6. Step 6: Final answer
    x = 73,099.73

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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.