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Finding the Fourth Proportional to 93,957.76, 129,659.07 and 53,670.70

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Solution

The fourth proportional to 93,957.76, 129,659.07 and 53,670.70 is: 74,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,957.76 : 129,659.07 = 53,670.70 : x
  2. Step 2: Convert to fraction form
    93,957.76/129,659.07 = 53,670.70/x
  3. Step 3: Cross multiply
    93,957.76x = 129,659.07 × 53,670.70
  4. Step 4: Simplify right side
    93,957.76x = 6,958,893,048.25
  5. Step 5: Solve for x
    x = 6,958,893,048.25/93,957.76
  6. Step 6: Final answer
    x = 74,064.06

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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.