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Finding the Fourth Proportional to 357,992.58, 537,222.50 and 133,532.57

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Solution

The fourth proportional to 357,992.58, 537,222.50 and 133,532.57 is: 200,386.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,992.58 : 537,222.50 = 133,532.57 : x
  2. Step 2: Convert to fraction form
    357,992.58/537,222.50 = 133,532.57/x
  3. Step 3: Cross multiply
    357,992.58x = 537,222.50 × 133,532.57
  4. Step 4: Simplify right side
    357,992.58x = 71,736,700,419.16
  5. Step 5: Solve for x
    x = 71,736,700,419.16/357,992.58
  6. Step 6: Final answer
    x = 200,386.00

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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.