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Finding the Fourth Proportional to 357,535.34, 536,302.70 and 91,295.90

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Solution

The fourth proportional to 357,535.34, 536,302.70 and 91,295.90 is: 136,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,535.34 : 536,302.70 = 91,295.90 : x
  2. Step 2: Convert to fraction form
    357,535.34/536,302.70 = 91,295.90/x
  3. Step 3: Cross multiply
    357,535.34x = 536,302.70 × 91,295.90
  4. Step 4: Simplify right side
    357,535.34x = 48,962,237,668.93
  5. Step 5: Solve for x
    x = 48,962,237,668.93/357,535.34
  6. Step 6: Final answer
    x = 136,943.77

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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.