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Finding the Fourth Proportional to 82,952.51, 124,272.63 and 49,118.40

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Solution

The fourth proportional to 82,952.51, 124,272.63 and 49,118.40 is: 73,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,952.51 : 124,272.63 = 49,118.40 : x
  2. Step 2: Convert to fraction form
    82,952.51/124,272.63 = 49,118.40/x
  3. Step 3: Cross multiply
    82,952.51x = 124,272.63 × 49,118.40
  4. Step 4: Simplify right side
    82,952.51x = 6,104,072,749.39
  5. Step 5: Solve for x
    x = 6,104,072,749.39/82,952.51
  6. Step 6: Final answer
    x = 73,585.15

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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.