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Finding the Fourth Proportional to 130,044.88, 179,476.53 and 73,459.90

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Solution

The fourth proportional to 130,044.88, 179,476.53 and 73,459.90 is: 101,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,044.88 : 179,476.53 = 73,459.90 : x
  2. Step 2: Convert to fraction form
    130,044.88/179,476.53 = 73,459.90/x
  3. Step 3: Cross multiply
    130,044.88x = 179,476.53 × 73,459.90
  4. Step 4: Simplify right side
    130,044.88x = 13,184,327,946.15
  5. Step 5: Solve for x
    x = 13,184,327,946.15/130,044.88
  6. Step 6: Final answer
    x = 101,382.91

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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.