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Finding the Fourth Proportional to 62,130.60, 93,103.74 and 45,633.96

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Solution

The fourth proportional to 62,130.60, 93,103.74 and 45,633.96 is: 68,383.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,130.60 : 93,103.74 = 45,633.96 : x
  2. Step 2: Convert to fraction form
    62,130.60/93,103.74 = 45,633.96/x
  3. Step 3: Cross multiply
    62,130.60x = 93,103.74 × 45,633.96
  4. Step 4: Simplify right side
    62,130.60x = 4,248,692,347.01
  5. Step 5: Solve for x
    x = 4,248,692,347.01/62,130.60
  6. Step 6: Final answer
    x = 68,383.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.