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Finding the Fourth Proportional to 124,424.51, 186,581.86 and 35,657.87

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Solution

The fourth proportional to 124,424.51, 186,581.86 and 35,657.87 is: 53,471.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,424.51 : 186,581.86 = 35,657.87 : x
  2. Step 2: Convert to fraction form
    124,424.51/186,581.86 = 35,657.87/x
  3. Step 3: Cross multiply
    124,424.51x = 186,581.86 × 35,657.87
  4. Step 4: Simplify right side
    124,424.51x = 6,653,111,708.24
  5. Step 5: Solve for x
    x = 6,653,111,708.24/124,424.51
  6. Step 6: Final answer
    x = 53,471.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.