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Finding the Fourth Proportional to 146,820.80, 202,612.80 and 79,752.80

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Solution

The fourth proportional to 146,820.80, 202,612.80 and 79,752.80 is: 110,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,820.80 : 202,612.80 = 79,752.80 : x
  2. Step 2: Convert to fraction form
    146,820.80/202,612.80 = 79,752.80/x
  3. Step 3: Cross multiply
    146,820.80x = 202,612.80 × 79,752.80
  4. Step 4: Simplify right side
    146,820.80x = 16,158,938,115.84
  5. Step 5: Solve for x
    x = 16,158,938,115.84/146,820.80
  6. Step 6: Final answer
    x = 110,058.92

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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.