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Finding the Fourth Proportional to 103,672.12, 155,259.01 and 59,163.93

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Solution

The fourth proportional to 103,672.12, 155,259.01 and 59,163.93 is: 88,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,672.12 : 155,259.01 = 59,163.93 : x
  2. Step 2: Convert to fraction form
    103,672.12/155,259.01 = 59,163.93/x
  3. Step 3: Cross multiply
    103,672.12x = 155,259.01 × 59,163.93
  4. Step 4: Simplify right side
    103,672.12x = 9,185,733,199.51
  5. Step 5: Solve for x
    x = 9,185,733,199.51/103,672.12
  6. Step 6: Final answer
    x = 88,603.70

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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.