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Finding the Fourth Proportional to 221,652.15, 332,526.84 and 71,907.58

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Solution

The fourth proportional to 221,652.15, 332,526.84 and 71,907.58 is: 107,877.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,652.15 : 332,526.84 = 71,907.58 : x
  2. Step 2: Convert to fraction form
    221,652.15/332,526.84 = 71,907.58/x
  3. Step 3: Cross multiply
    221,652.15x = 332,526.84 × 71,907.58
  4. Step 4: Simplify right side
    221,652.15x = 23,911,200,495.45
  5. Step 5: Solve for x
    x = 23,911,200,495.45/221,652.15
  6. Step 6: Final answer
    x = 107,877.14

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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.