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Finding the Fourth Proportional to 125,124.66, 187,555.74 and 58,508.64

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Solution

The fourth proportional to 125,124.66, 187,555.74 and 58,508.64 is: 87,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,124.66 : 187,555.74 = 58,508.64 : x
  2. Step 2: Convert to fraction form
    125,124.66/187,555.74 = 58,508.64/x
  3. Step 3: Cross multiply
    125,124.66x = 187,555.74 × 58,508.64
  4. Step 4: Simplify right side
    125,124.66x = 10,973,631,271.59
  5. Step 5: Solve for x
    x = 10,973,631,271.59/125,124.66
  6. Step 6: Final answer
    x = 87,701.59

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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.