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Finding the Fourth Proportional to 58,742.92, 88,113.97 and 14,370.31

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Solution

The fourth proportional to 58,742.92, 88,113.97 and 14,370.31 is: 21,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,742.92 : 88,113.97 = 14,370.31 : x
  2. Step 2: Convert to fraction form
    58,742.92/88,113.97 = 14,370.31/x
  3. Step 3: Cross multiply
    58,742.92x = 88,113.97 × 14,370.31
  4. Step 4: Simplify right side
    58,742.92x = 1,266,225,064.23
  5. Step 5: Solve for x
    x = 1,266,225,064.23/58,742.92
  6. Step 6: Final answer
    x = 21,555.36

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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.