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Finding the Fourth Proportional to 92,358.88, 127,446 and 56,559.04

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Solution

The fourth proportional to 92,358.88, 127,446 and 56,559.04 is: 78,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,358.88 : 127,446 = 56,559.04 : x
  2. Step 2: Convert to fraction form
    92,358.88/127,446 = 56,559.04/x
  3. Step 3: Cross multiply
    92,358.88x = 127,446 × 56,559.04
  4. Step 4: Simplify right side
    92,358.88x = 7,208,223,411.84
  5. Step 5: Solve for x
    x = 7,208,223,411.84/92,358.88
  6. Step 6: Final answer
    x = 78,045.81

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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.