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Finding the Fourth Proportional to 93,259.84, 128,694.54 and 52,973.48

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Solution

The fourth proportional to 93,259.84, 128,694.54 and 52,973.48 is: 73,101.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,259.84 : 128,694.54 = 52,973.48 : x
  2. Step 2: Convert to fraction form
    93,259.84/128,694.54 = 52,973.48/x
  3. Step 3: Cross multiply
    93,259.84x = 128,694.54 × 52,973.48
  4. Step 4: Simplify right side
    93,259.84x = 6,817,397,640.80
  5. Step 5: Solve for x
    x = 6,817,397,640.80/93,259.84
  6. Step 6: Final answer
    x = 73,101.11

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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.