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Finding the Fourth Proportional to 370,117.85, 555,174.90 and 89,635.10

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Solution

The fourth proportional to 370,117.85, 555,174.90 and 89,635.10 is: 134,452.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,117.85 : 555,174.90 = 89,635.10 : x
  2. Step 2: Convert to fraction form
    370,117.85/555,174.90 = 89,635.10/x
  3. Step 3: Cross multiply
    370,117.85x = 555,174.90 × 89,635.10
  4. Step 4: Simplify right side
    370,117.85x = 49,763,154,903.12
  5. Step 5: Solve for x
    x = 49,763,154,903.12/370,117.85
  6. Step 6: Final answer
    x = 134,452.19

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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.