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Finding the Fourth Proportional to 92,483.35, 127,629.59 and 56,172.53

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Solution

The fourth proportional to 92,483.35, 127,629.59 and 56,172.53 is: 77,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,483.35 : 127,629.59 = 56,172.53 : x
  2. Step 2: Convert to fraction form
    92,483.35/127,629.59 = 56,172.53/x
  3. Step 3: Cross multiply
    92,483.35x = 127,629.59 × 56,172.53
  4. Step 4: Simplify right side
    92,483.35x = 7,169,277,011.37
  5. Step 5: Solve for x
    x = 7,169,277,011.37/92,483.35
  6. Step 6: Final answer
    x = 77,519.65

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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.