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Finding the Fourth Proportional to 110,673.95, 152,857.53 and 80,593.79

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Solution

The fourth proportional to 110,673.95, 152,857.53 and 80,593.79 is: 111,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,673.95 : 152,857.53 = 80,593.79 : x
  2. Step 2: Convert to fraction form
    110,673.95/152,857.53 = 80,593.79/x
  3. Step 3: Cross multiply
    110,673.95x = 152,857.53 × 80,593.79
  4. Step 4: Simplify right side
    110,673.95x = 12,319,366,908.45
  5. Step 5: Solve for x
    x = 12,319,366,908.45/110,673.95
  6. Step 6: Final answer
    x = 111,312.26

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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.