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Finding the Fourth Proportional to 349,626.68, 524,443.08 and 112,969.40

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Solution

The fourth proportional to 349,626.68, 524,443.08 and 112,969.40 is: 169,455.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,626.68 : 524,443.08 = 112,969.40 : x
  2. Step 2: Convert to fraction form
    349,626.68/524,443.08 = 112,969.40/x
  3. Step 3: Cross multiply
    349,626.68x = 524,443.08 × 112,969.40
  4. Step 4: Simplify right side
    349,626.68x = 59,246,020,081.75
  5. Step 5: Solve for x
    x = 59,246,020,081.75/349,626.68
  6. Step 6: Final answer
    x = 169,455.09

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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.