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Finding the Fourth Proportional to 284,870.16, 427,173.50 and 104,910.16

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Solution

The fourth proportional to 284,870.16, 427,173.50 and 104,910.16 is: 157,316.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,870.16 : 427,173.50 = 104,910.16 : x
  2. Step 2: Convert to fraction form
    284,870.16/427,173.50 = 104,910.16/x
  3. Step 3: Cross multiply
    284,870.16x = 427,173.50 × 104,910.16
  4. Step 4: Simplify right side
    284,870.16x = 44,814,840,232.76
  5. Step 5: Solve for x
    x = 44,814,840,232.76/284,870.16
  6. Step 6: Final answer
    x = 157,316.72

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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.