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Finding the Fourth Proportional to 358,349.70, 537,607.68 and 121,692.60

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Solution

The fourth proportional to 358,349.70, 537,607.68 and 121,692.60 is: 182,567.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,349.70 : 537,607.68 = 121,692.60 : x
  2. Step 2: Convert to fraction form
    358,349.70/537,607.68 = 121,692.60/x
  3. Step 3: Cross multiply
    358,349.70x = 537,607.68 × 121,692.60
  4. Step 4: Simplify right side
    358,349.70x = 65,422,876,359.17
  5. Step 5: Solve for x
    x = 65,422,876,359.17/358,349.70
  6. Step 6: Final answer
    x = 182,567.13

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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.