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Finding the Fourth Proportional to 129,009.53, 193,536.98 and 58,895.93

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Solution

The fourth proportional to 129,009.53, 193,536.98 and 58,895.93 is: 88,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,009.53 : 193,536.98 = 58,895.93 : x
  2. Step 2: Convert to fraction form
    129,009.53/193,536.98 = 58,895.93/x
  3. Step 3: Cross multiply
    129,009.53x = 193,536.98 × 58,895.93
  4. Step 4: Simplify right side
    129,009.53x = 11,398,540,132.01
  5. Step 5: Solve for x
    x = 11,398,540,132.01/129,009.53
  6. Step 6: Final answer
    x = 88,354.25

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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.