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Finding the Fourth Proportional to 104,454, 144,144.50 and 59,140.58

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Solution

The fourth proportional to 104,454, 144,144.50 and 59,140.58 is: 81,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,454 : 144,144.50 = 59,140.58 : x
  2. Step 2: Convert to fraction form
    104,454/144,144.50 = 59,140.58/x
  3. Step 3: Cross multiply
    104,454x = 144,144.50 × 59,140.58
  4. Step 4: Simplify right side
    104,454x = 8,524,788,317.38
  5. Step 5: Solve for x
    x = 8,524,788,317.38/104,454
  6. Step 6: Final answer
    x = 81,612.85

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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.