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Finding the Fourth Proportional to 357,766.60, 536,668.28 and 91,529.41

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Solution

The fourth proportional to 357,766.60, 536,668.28 and 91,529.41 is: 137,298.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,766.60 : 536,668.28 = 91,529.41 : x
  2. Step 2: Convert to fraction form
    357,766.60/536,668.28 = 91,529.41/x
  3. Step 3: Cross multiply
    357,766.60x = 536,668.28 × 91,529.41
  4. Step 4: Simplify right side
    357,766.60x = 49,120,931,034.11
  5. Step 5: Solve for x
    x = 49,120,931,034.11/357,766.60
  6. Step 6: Final answer
    x = 137,298.82

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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.