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Finding the Fourth Proportional to 129,507.48, 194,210.15 and 62,927.91

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Solution

The fourth proportional to 129,507.48, 194,210.15 and 62,927.91 is: 94,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,507.48 : 194,210.15 = 62,927.91 : x
  2. Step 2: Convert to fraction form
    129,507.48/194,210.15 = 62,927.91/x
  3. Step 3: Cross multiply
    129,507.48x = 194,210.15 × 62,927.91
  4. Step 4: Simplify right side
    129,507.48x = 12,221,238,525.65
  5. Step 5: Solve for x
    x = 12,221,238,525.65/129,507.48
  6. Step 6: Final answer
    x = 94,367.05

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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.