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Finding the Fourth Proportional to 310,752.48, 466,143.30 and 111,167.40

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Solution

The fourth proportional to 310,752.48, 466,143.30 and 111,167.40 is: 166,756.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,752.48 : 466,143.30 = 111,167.40 : x
  2. Step 2: Convert to fraction form
    310,752.48/466,143.30 = 111,167.40/x
  3. Step 3: Cross multiply
    310,752.48x = 466,143.30 × 111,167.40
  4. Step 4: Simplify right side
    310,752.48x = 51,819,938,688.42
  5. Step 5: Solve for x
    x = 51,819,938,688.42/310,752.48
  6. Step 6: Final answer
    x = 166,756.32

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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.