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Finding the Fourth Proportional to 358,090.10, 537,134.18 and 133,445.42

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Solution

The fourth proportional to 358,090.10, 537,134.18 and 133,445.42 is: 200,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,090.10 : 537,134.18 = 133,445.42 : x
  2. Step 2: Convert to fraction form
    358,090.10/537,134.18 = 133,445.42/x
  3. Step 3: Cross multiply
    358,090.10x = 537,134.18 × 133,445.42
  4. Step 4: Simplify right side
    358,090.10x = 71,678,096,246.46
  5. Step 5: Solve for x
    x = 71,678,096,246.46/358,090.10
  6. Step 6: Final answer
    x = 200,167.77

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1.5x scale

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.