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Finding the Fourth Proportional to 94,970, 130,969.32 and 68,245.04

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Solution

The fourth proportional to 94,970, 130,969.32 and 68,245.04 is: 94,114.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,970 : 130,969.32 = 68,245.04 : x
  2. Step 2: Convert to fraction form
    94,970/130,969.32 = 68,245.04/x
  3. Step 3: Cross multiply
    94,970x = 130,969.32 × 68,245.04
  4. Step 4: Simplify right side
    94,970x = 8,938,006,482.17
  5. Step 5: Solve for x
    x = 8,938,006,482.17/94,970
  6. Step 6: Final answer
    x = 94,114.00

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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.