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Finding the Fourth Proportional to 76,060.53, 104,967.23 and 42,068.88

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Solution

The fourth proportional to 76,060.53, 104,967.23 and 42,068.88 is: 58,057.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,060.53 : 104,967.23 = 42,068.88 : x
  2. Step 2: Convert to fraction form
    76,060.53/104,967.23 = 42,068.88/x
  3. Step 3: Cross multiply
    76,060.53x = 104,967.23 × 42,068.88
  4. Step 4: Simplify right side
    76,060.53x = 4,415,853,592.46
  5. Step 5: Solve for x
    x = 4,415,853,592.46/76,060.53
  6. Step 6: Final answer
    x = 58,057.10

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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.