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Finding the Fourth Proportional to 106,307.25, 146,702.43 and 58,560.63

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Solution

The fourth proportional to 106,307.25, 146,702.43 and 58,560.63 is: 80,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,307.25 : 146,702.43 = 58,560.63 : x
  2. Step 2: Convert to fraction form
    106,307.25/146,702.43 = 58,560.63/x
  3. Step 3: Cross multiply
    106,307.25x = 146,702.43 × 58,560.63
  4. Step 4: Simplify right side
    106,307.25x = 8,590,986,723.33
  5. Step 5: Solve for x
    x = 8,590,986,723.33/106,307.25
  6. Step 6: Final answer
    x = 80,812.80

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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.