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Finding the Fourth Proportional to 96,297.75, 144,480.84 and 42,984.90

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Solution

The fourth proportional to 96,297.75, 144,480.84 and 42,984.90 is: 64,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,297.75 : 144,480.84 = 42,984.90 : x
  2. Step 2: Convert to fraction form
    96,297.75/144,480.84 = 42,984.90/x
  3. Step 3: Cross multiply
    96,297.75x = 144,480.84 × 42,984.90
  4. Step 4: Simplify right side
    96,297.75x = 6,210,494,459.32
  5. Step 5: Solve for x
    x = 6,210,494,459.32/96,297.75
  6. Step 6: Final answer
    x = 64,492.62

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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.