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Finding the Fourth Proportional to 94,118.73, 129,885.71 and 51,676.89

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Solution

The fourth proportional to 94,118.73, 129,885.71 and 51,676.89 is: 71,315.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,118.73 : 129,885.71 = 51,676.89 : x
  2. Step 2: Convert to fraction form
    94,118.73/129,885.71 = 51,676.89/x
  3. Step 3: Cross multiply
    94,118.73x = 129,885.71 × 51,676.89
  4. Step 4: Simplify right side
    94,118.73x = 6,712,089,289.86
  5. Step 5: Solve for x
    x = 6,712,089,289.86/94,118.73
  6. Step 6: Final answer
    x = 71,315.13

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1.5x scale

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.