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Finding the Fourth Proportional to 350,118.80, 525,178.20 and 113,485.40

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Solution

The fourth proportional to 350,118.80, 525,178.20 and 113,485.40 is: 170,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,118.80 : 525,178.20 = 113,485.40 : x
  2. Step 2: Convert to fraction form
    350,118.80/525,178.20 = 113,485.40/x
  3. Step 3: Cross multiply
    350,118.80x = 525,178.20 × 113,485.40
  4. Step 4: Simplify right side
    350,118.80x = 59,600,058,098.28
  5. Step 5: Solve for x
    x = 59,600,058,098.28/350,118.80
  6. Step 6: Final answer
    x = 170,228.10

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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.