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Finding the Fourth Proportional to 195,416.80, 293,125.20 and 101,910.40

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Solution

The fourth proportional to 195,416.80, 293,125.20 and 101,910.40 is: 152,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,416.80 : 293,125.20 = 101,910.40 : x
  2. Step 2: Convert to fraction form
    195,416.80/293,125.20 = 101,910.40/x
  3. Step 3: Cross multiply
    195,416.80x = 293,125.20 × 101,910.40
  4. Step 4: Simplify right side
    195,416.80x = 29,872,506,382.08
  5. Step 5: Solve for x
    x = 29,872,506,382.08/195,416.80
  6. Step 6: Final answer
    x = 152,865.60

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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.