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Finding the Fourth Proportional to 161,737.80, 242,649.90 and 144,328.20

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Solution

The fourth proportional to 161,737.80, 242,649.90 and 144,328.20 is: 216,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,737.80 : 242,649.90 = 144,328.20 : x
  2. Step 2: Convert to fraction form
    161,737.80/242,649.90 = 144,328.20/x
  3. Step 3: Cross multiply
    161,737.80x = 242,649.90 × 144,328.20
  4. Step 4: Simplify right side
    161,737.80x = 35,021,223,297.18
  5. Step 5: Solve for x
    x = 35,021,223,297.18/161,737.80
  6. Step 6: Final answer
    x = 216,530.85

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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.