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Finding the Fourth Proportional to 260,222.88, 359,102.90 and 147,043.20

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Solution

The fourth proportional to 260,222.88, 359,102.90 and 147,043.20 is: 202,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,222.88 : 359,102.90 = 147,043.20 : x
  2. Step 2: Convert to fraction form
    260,222.88/359,102.90 = 147,043.20/x
  3. Step 3: Cross multiply
    260,222.88x = 359,102.90 × 147,043.20
  4. Step 4: Simplify right side
    260,222.88x = 52,803,639,545.28
  5. Step 5: Solve for x
    x = 52,803,639,545.28/260,222.88
  6. Step 6: Final answer
    x = 202,916.97

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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.