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Finding the Fourth Proportional to 146,893.63, 202,775.22 and 99,211.55

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Solution

The fourth proportional to 146,893.63, 202,775.22 and 99,211.55 is: 136,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,893.63 : 202,775.22 = 99,211.55 : x
  2. Step 2: Convert to fraction form
    146,893.63/202,775.22 = 99,211.55/x
  3. Step 3: Cross multiply
    146,893.63x = 202,775.22 × 99,211.55
  4. Step 4: Simplify right side
    146,893.63x = 20,117,643,877.79
  5. Step 5: Solve for x
    x = 20,117,643,877.79/146,893.63
  6. Step 6: Final answer
    x = 136,953.83

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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.