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Finding the Fourth Proportional to 105,807.99, 146,014.94 and 60,486.97

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Solution

The fourth proportional to 105,807.99, 146,014.94 and 60,486.97 is: 83,471.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,807.99 : 146,014.94 = 60,486.97 : x
  2. Step 2: Convert to fraction form
    105,807.99/146,014.94 = 60,486.97/x
  3. Step 3: Cross multiply
    105,807.99x = 146,014.94 × 60,486.97
  4. Step 4: Simplify right side
    105,807.99x = 8,832,001,081.51
  5. Step 5: Solve for x
    x = 8,832,001,081.51/105,807.99
  6. Step 6: Final answer
    x = 83,471.97

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1.5x scale

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.