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Finding the Fourth Proportional to 161,995.50, 243,075.24 and 109,294.28

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Solution

The fourth proportional to 161,995.50, 243,075.24 and 109,294.28 is: 163,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,995.50 : 243,075.24 = 109,294.28 : x
  2. Step 2: Convert to fraction form
    161,995.50/243,075.24 = 109,294.28/x
  3. Step 3: Cross multiply
    161,995.50x = 243,075.24 × 109,294.28
  4. Step 4: Simplify right side
    161,995.50x = 26,566,733,341.63
  5. Step 5: Solve for x
    x = 26,566,733,341.63/161,995.50
  6. Step 6: Final answer
    x = 163,996.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.