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Finding the Fourth Proportional to 349,870.05, 524,805.08 and 113,236.65

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Solution

The fourth proportional to 349,870.05, 524,805.08 and 113,236.65 is: 169,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,870.05 : 524,805.08 = 113,236.65 : x
  2. Step 2: Convert to fraction form
    349,870.05/524,805.08 = 113,236.65/x
  3. Step 3: Cross multiply
    349,870.05x = 524,805.08 × 113,236.65
  4. Step 4: Simplify right side
    349,870.05x = 59,427,168,596.00
  5. Step 5: Solve for x
    x = 59,427,168,596.00/349,870.05
  6. Step 6: Final answer
    x = 169,854.98

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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.