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Finding the Fourth Proportional to 104,098.50, 143,655.93 and 59,386.50

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Solution

The fourth proportional to 104,098.50, 143,655.93 and 59,386.50 is: 81,953.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,098.50 : 143,655.93 = 59,386.50 : x
  2. Step 2: Convert to fraction form
    104,098.50/143,655.93 = 59,386.50/x
  3. Step 3: Cross multiply
    104,098.50x = 143,655.93 × 59,386.50
  4. Step 4: Simplify right side
    104,098.50x = 8,531,222,886.95
  5. Step 5: Solve for x
    x = 8,531,222,886.95/104,098.50
  6. Step 6: Final answer
    x = 81,953.37

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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.