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Finding the Fourth Proportional to 248,895.20, 373,341.04 and 71,402.40

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Solution

The fourth proportional to 248,895.20, 373,341.04 and 71,402.40 is: 107,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,895.20 : 373,341.04 = 71,402.40 : x
  2. Step 2: Convert to fraction form
    248,895.20/373,341.04 = 71,402.40/x
  3. Step 3: Cross multiply
    248,895.20x = 373,341.04 × 71,402.40
  4. Step 4: Simplify right side
    248,895.20x = 26,657,446,274.50
  5. Step 5: Solve for x
    x = 26,657,446,274.50/248,895.20
  6. Step 6: Final answer
    x = 107,103.10

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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.