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Finding the Fourth Proportional to 357,916.74, 536,871.87 and 108,598.74

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Solution

The fourth proportional to 357,916.74, 536,871.87 and 108,598.74 is: 162,897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,916.74 : 536,871.87 = 108,598.74 : x
  2. Step 2: Convert to fraction form
    357,916.74/536,871.87 = 108,598.74/x
  3. Step 3: Cross multiply
    357,916.74x = 536,871.87 × 108,598.74
  4. Step 4: Simplify right side
    357,916.74x = 58,303,608,623.44
  5. Step 5: Solve for x
    x = 58,303,608,623.44/357,916.74
  6. Step 6: Final answer
    x = 162,897.13

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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.