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Finding the Fourth Proportional to 262,140.71, 361,750.73 and 147,419.33

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Solution

The fourth proportional to 262,140.71, 361,750.73 and 147,419.33 is: 203,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,140.71 : 361,750.73 = 147,419.33 : x
  2. Step 2: Convert to fraction form
    262,140.71/361,750.73 = 147,419.33/x
  3. Step 3: Cross multiply
    262,140.71x = 361,750.73 × 147,419.33
  4. Step 4: Simplify right side
    262,140.71x = 53,329,047,697.76
  5. Step 5: Solve for x
    x = 53,329,047,697.76/262,140.71
  6. Step 6: Final answer
    x = 203,436.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.