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Finding the Fourth Proportional to 185,459.51, 277,871.46 and 124,555.61

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Solution

The fourth proportional to 185,459.51, 277,871.46 and 124,555.61 is: 186,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,459.51 : 277,871.46 = 124,555.61 : x
  2. Step 2: Convert to fraction form
    185,459.51/277,871.46 = 124,555.61/x
  3. Step 3: Cross multiply
    185,459.51x = 277,871.46 × 124,555.61
  4. Step 4: Simplify right side
    185,459.51x = 34,610,447,812.53
  5. Step 5: Solve for x
    x = 34,610,447,812.53/185,459.51
  6. Step 6: Final answer
    x = 186,619.97

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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.