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Finding the Fourth Proportional to 67,468.06, 101,184.42 and 20,070.40

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Solution

The fourth proportional to 67,468.06, 101,184.42 and 20,070.40 is: 30,100.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,468.06 : 101,184.42 = 20,070.40 : x
  2. Step 2: Convert to fraction form
    67,468.06/101,184.42 = 20,070.40/x
  3. Step 3: Cross multiply
    67,468.06x = 101,184.42 × 20,070.40
  4. Step 4: Simplify right side
    67,468.06x = 2,030,811,783.17
  5. Step 5: Solve for x
    x = 2,030,811,783.17/67,468.06
  6. Step 6: Final answer
    x = 30,100.34

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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.