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Finding the Fourth Proportional to 92,148.35, 127,169.93 and 56,332.58

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Solution

The fourth proportional to 92,148.35, 127,169.93 and 56,332.58 is: 77,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,148.35 : 127,169.93 = 56,332.58 : x
  2. Step 2: Convert to fraction form
    92,148.35/127,169.93 = 56,332.58/x
  3. Step 3: Cross multiply
    92,148.35x = 127,169.93 × 56,332.58
  4. Step 4: Simplify right side
    92,148.35x = 7,163,809,760.30
  5. Step 5: Solve for x
    x = 7,163,809,760.30/92,148.35
  6. Step 6: Final answer
    x = 77,742.14

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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.