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Finding the Fourth Proportional to 92,310, 127,387.80 and 52,573.68

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Solution

The fourth proportional to 92,310, 127,387.80 and 52,573.68 is: 72,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,310 : 127,387.80 = 52,573.68 : x
  2. Step 2: Convert to fraction form
    92,310/127,387.80 = 52,573.68/x
  3. Step 3: Cross multiply
    92,310x = 127,387.80 × 52,573.68
  4. Step 4: Simplify right side
    92,310x = 6,697,245,433.10
  5. Step 5: Solve for x
    x = 6,697,245,433.10/92,310
  6. Step 6: Final answer
    x = 72,551.68

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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.