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Finding the Fourth Proportional to 56,595.53, 78,101.83 and 31,445.03

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Solution

The fourth proportional to 56,595.53, 78,101.83 and 31,445.03 is: 43,394.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,595.53 : 78,101.83 = 31,445.03 : x
  2. Step 2: Convert to fraction form
    56,595.53/78,101.83 = 31,445.03/x
  3. Step 3: Cross multiply
    56,595.53x = 78,101.83 × 31,445.03
  4. Step 4: Simplify right side
    56,595.53x = 2,455,914,387.40
  5. Step 5: Solve for x
    x = 2,455,914,387.40/56,595.53
  6. Step 6: Final answer
    x = 43,394.14

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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.