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Finding the Fourth Proportional to 254,047.63, 381,071.59 and 64,522.21

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Solution

The fourth proportional to 254,047.63, 381,071.59 and 64,522.21 is: 96,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,047.63 : 381,071.59 = 64,522.21 : x
  2. Step 2: Convert to fraction form
    254,047.63/381,071.59 = 64,522.21/x
  3. Step 3: Cross multiply
    254,047.63x = 381,071.59 × 64,522.21
  4. Step 4: Simplify right side
    254,047.63x = 24,587,581,155.01
  5. Step 5: Solve for x
    x = 24,587,581,155.01/254,047.63
  6. Step 6: Final answer
    x = 96,783.35

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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.