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Finding the Fourth Proportional to 93,437.39, 128,923.89 and 59,433.50

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Solution

The fourth proportional to 93,437.39, 128,923.89 and 59,433.50 is: 82,005.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,437.39 : 128,923.89 = 59,433.50 : x
  2. Step 2: Convert to fraction form
    93,437.39/128,923.89 = 59,433.50/x
  3. Step 3: Cross multiply
    93,437.39x = 128,923.89 × 59,433.50
  4. Step 4: Simplify right side
    93,437.39x = 7,662,398,016.32
  5. Step 5: Solve for x
    x = 7,662,398,016.32/93,437.39
  6. Step 6: Final answer
    x = 82,005.69

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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.