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Finding the Fourth Proportional to 89,866.04, 124,014.52 and 49,581.52

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Solution

The fourth proportional to 89,866.04, 124,014.52 and 49,581.52 is: 68,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,866.04 : 124,014.52 = 49,581.52 : x
  2. Step 2: Convert to fraction form
    89,866.04/124,014.52 = 49,581.52/x
  3. Step 3: Cross multiply
    89,866.04x = 124,014.52 × 49,581.52
  4. Step 4: Simplify right side
    89,866.04x = 6,148,828,403.67
  5. Step 5: Solve for x
    x = 6,148,828,403.67/89,866.04
  6. Step 6: Final answer
    x = 68,422.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.