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Finding the Fourth Proportional to 357,835.20, 536,752.46 and 91,595.30

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Solution

The fourth proportional to 357,835.20, 536,752.46 and 91,595.30 is: 137,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,835.20 : 536,752.46 = 91,595.30 : x
  2. Step 2: Convert to fraction form
    357,835.20/536,752.46 = 91,595.30/x
  3. Step 3: Cross multiply
    357,835.20x = 536,752.46 × 91,595.30
  4. Step 4: Simplify right side
    357,835.20x = 49,163,999,457.70
  5. Step 5: Solve for x
    x = 49,163,999,457.70/357,835.20
  6. Step 6: Final answer
    x = 137,392.85

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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.