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Finding the Fourth Proportional to 94,690.95, 130,673.43 and 60,699.42

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Solution

The fourth proportional to 94,690.95, 130,673.43 and 60,699.42 is: 83,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,690.95 : 130,673.43 = 60,699.42 : x
  2. Step 2: Convert to fraction form
    94,690.95/130,673.43 = 60,699.42/x
  3. Step 3: Cross multiply
    94,690.95x = 130,673.43 × 60,699.42
  4. Step 4: Simplify right side
    94,690.95x = 7,931,801,410.41
  5. Step 5: Solve for x
    x = 7,931,801,410.41/94,690.95
  6. Step 6: Final answer
    x = 83,765.15

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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.