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Finding the Fourth Proportional to 76,060.76, 104,954.73 and 42,064.63

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Solution

The fourth proportional to 76,060.76, 104,954.73 and 42,064.63 is: 58,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,060.76 : 104,954.73 = 42,064.63 : x
  2. Step 2: Convert to fraction form
    76,060.76/104,954.73 = 42,064.63/x
  3. Step 3: Cross multiply
    76,060.76x = 104,954.73 × 42,064.63
  4. Step 4: Simplify right side
    76,060.76x = 4,414,881,884.20
  5. Step 5: Solve for x
    x = 4,414,881,884.20/76,060.76
  6. Step 6: Final answer
    x = 58,044.15

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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.