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Finding the Fourth Proportional to 94,690.94, 130,618.35 and 60,687.35

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Solution

The fourth proportional to 94,690.94, 130,618.35 and 60,687.35 is: 83,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,690.94 : 130,618.35 = 60,687.35 : x
  2. Step 2: Convert to fraction form
    94,690.94/130,618.35 = 60,687.35/x
  3. Step 3: Cross multiply
    94,690.94x = 130,618.35 × 60,687.35
  4. Step 4: Simplify right side
    94,690.94x = 7,926,881,522.87
  5. Step 5: Solve for x
    x = 7,926,881,522.87/94,690.94
  6. Step 6: Final answer
    x = 83,713.20

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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.