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Finding the Fourth Proportional to 103,410.05, 155,159.03 and 58,437.59

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Solution

The fourth proportional to 103,410.05, 155,159.03 and 58,437.59 is: 87,681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,410.05 : 155,159.03 = 58,437.59 : x
  2. Step 2: Convert to fraction form
    103,410.05/155,159.03 = 58,437.59/x
  3. Step 3: Cross multiply
    103,410.05x = 155,159.03 × 58,437.59
  4. Step 4: Simplify right side
    103,410.05x = 9,067,119,150.24
  5. Step 5: Solve for x
    x = 9,067,119,150.24/103,410.05
  6. Step 6: Final answer
    x = 87,681.22

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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.