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Finding the Fourth Proportional to 358,528.80, 537,667.44 and 105,742.08

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Solution

The fourth proportional to 358,528.80, 537,667.44 and 105,742.08 is: 158,576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,528.80 : 537,667.44 = 105,742.08 : x
  2. Step 2: Convert to fraction form
    358,528.80/537,667.44 = 105,742.08/x
  3. Step 3: Cross multiply
    358,528.80x = 537,667.44 × 105,742.08
  4. Step 4: Simplify right side
    358,528.80x = 56,854,073,453.88
  5. Step 5: Solve for x
    x = 56,854,073,453.88/358,528.80
  6. Step 6: Final answer
    x = 158,576.03

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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.