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Finding the Fourth Proportional to 104,386, 144,051.82 and 59,063.60

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Solution

The fourth proportional to 104,386, 144,051.82 and 59,063.60 is: 81,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,386 : 144,051.82 = 59,063.60 : x
  2. Step 2: Convert to fraction form
    104,386/144,051.82 = 59,063.60/x
  3. Step 3: Cross multiply
    104,386x = 144,051.82 × 59,063.60
  4. Step 4: Simplify right side
    104,386x = 8,508,219,075.75
  5. Step 5: Solve for x
    x = 8,508,219,075.75/104,386
  6. Step 6: Final answer
    x = 81,507.28

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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.