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Finding the Fourth Proportional to 146,666.50, 202,402.20 and 79,598.50

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Solution

The fourth proportional to 146,666.50, 202,402.20 and 79,598.50 is: 109,847.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,666.50 : 202,402.20 = 79,598.50 : x
  2. Step 2: Convert to fraction form
    146,666.50/202,402.20 = 79,598.50/x
  3. Step 3: Cross multiply
    146,666.50x = 202,402.20 × 79,598.50
  4. Step 4: Simplify right side
    146,666.50x = 16,110,911,516.70
  5. Step 5: Solve for x
    x = 16,110,911,516.70/146,666.50
  6. Step 6: Final answer
    x = 109,847.25

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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.