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Finding the Fourth Proportional to 116,520.40, 174,521.40 and 95,784.40

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Solution

The fourth proportional to 116,520.40, 174,521.40 and 95,784.40 is: 143,463.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,520.40 : 174,521.40 = 95,784.40 : x
  2. Step 2: Convert to fraction form
    116,520.40/174,521.40 = 95,784.40/x
  3. Step 3: Cross multiply
    116,520.40x = 174,521.40 × 95,784.40
  4. Step 4: Simplify right side
    116,520.40x = 16,716,427,586.16
  5. Step 5: Solve for x
    x = 16,716,427,586.16/116,520.40
  6. Step 6: Final answer
    x = 143,463.53

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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.