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Finding the Fourth Proportional to 124,969.52, 187,457.91 and 49,064.92

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Solution

The fourth proportional to 124,969.52, 187,457.91 and 49,064.92 is: 73,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,969.52 : 187,457.91 = 49,064.92 : x
  2. Step 2: Convert to fraction form
    124,969.52/187,457.91 = 49,064.92/x
  3. Step 3: Cross multiply
    124,969.52x = 187,457.91 × 49,064.92
  4. Step 4: Simplify right side
    124,969.52x = 9,197,607,357.52
  5. Step 5: Solve for x
    x = 9,197,607,357.52/124,969.52
  6. Step 6: Final answer
    x = 73,598.81

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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.