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Finding the Fourth Proportional to 357,480.71, 536,173.29 and 132,810.50

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Solution

The fourth proportional to 357,480.71, 536,173.29 and 132,810.50 is: 199,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,480.71 : 536,173.29 = 132,810.50 : x
  2. Step 2: Convert to fraction form
    357,480.71/536,173.29 = 132,810.50/x
  3. Step 3: Cross multiply
    357,480.71x = 536,173.29 × 132,810.50
  4. Step 4: Simplify right side
    357,480.71x = 71,209,444,071.98
  5. Step 5: Solve for x
    x = 71,209,444,071.98/357,480.71
  6. Step 6: Final answer
    x = 199,198.01

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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.