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Finding the Fourth Proportional to 346,772.53, 520,157.17 and 110,133.46

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Solution

The fourth proportional to 346,772.53, 520,157.17 and 110,133.46 is: 165,199.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,772.53 : 520,157.17 = 110,133.46 : x
  2. Step 2: Convert to fraction form
    346,772.53/520,157.17 = 110,133.46/x
  3. Step 3: Cross multiply
    346,772.53x = 520,157.17 × 110,133.46
  4. Step 4: Simplify right side
    346,772.53x = 57,286,708,875.91
  5. Step 5: Solve for x
    x = 57,286,708,875.91/346,772.53
  6. Step 6: Final answer
    x = 165,199.67

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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.