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Finding the Fourth Proportional to 92,558.84, 127,733.54 and 56,768.58

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Solution

The fourth proportional to 92,558.84, 127,733.54 and 56,768.58 is: 78,342.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,558.84 : 127,733.54 = 56,768.58 : x
  2. Step 2: Convert to fraction form
    92,558.84/127,733.54 = 56,768.58/x
  3. Step 3: Cross multiply
    92,558.84x = 127,733.54 × 56,768.58
  4. Step 4: Simplify right side
    92,558.84x = 7,251,251,400.33
  5. Step 5: Solve for x
    x = 7,251,251,400.33/92,558.84
  6. Step 6: Final answer
    x = 78,342.08

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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.