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Finding the Fourth Proportional to 101,745.54, 152,597.52 and 38,543.87

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Solution

The fourth proportional to 101,745.54, 152,597.52 and 38,543.87 is: 57,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,745.54 : 152,597.52 = 38,543.87 : x
  2. Step 2: Convert to fraction form
    101,745.54/152,597.52 = 38,543.87/x
  3. Step 3: Cross multiply
    101,745.54x = 152,597.52 × 38,543.87
  4. Step 4: Simplify right side
    101,745.54x = 5,881,698,973.20
  5. Step 5: Solve for x
    x = 5,881,698,973.20/101,745.54
  6. Step 6: Final answer
    x = 57,807.93

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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.