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Finding the Fourth Proportional to 124,125.97, 186,305.55 and 65,004.07

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Solution

The fourth proportional to 124,125.97, 186,305.55 and 65,004.07 is: 97,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,125.97 : 186,305.55 = 65,004.07 : x
  2. Step 2: Convert to fraction form
    124,125.97/186,305.55 = 65,004.07/x
  3. Step 3: Cross multiply
    124,125.97x = 186,305.55 × 65,004.07
  4. Step 4: Simplify right side
    124,125.97x = 12,110,619,013.59
  5. Step 5: Solve for x
    x = 12,110,619,013.59/124,125.97
  6. Step 6: Final answer
    x = 97,567.17

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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.