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Finding the Fourth Proportional to 130,043.20, 195,070.20 and 41,294.20

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Solution

The fourth proportional to 130,043.20, 195,070.20 and 41,294.20 is: 61,943.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,043.20 : 195,070.20 = 41,294.20 : x
  2. Step 2: Convert to fraction form
    130,043.20/195,070.20 = 41,294.20/x
  3. Step 3: Cross multiply
    130,043.20x = 195,070.20 × 41,294.20
  4. Step 4: Simplify right side
    130,043.20x = 8,055,267,852.84
  5. Step 5: Solve for x
    x = 8,055,267,852.84/130,043.20
  6. Step 6: Final answer
    x = 61,943.01

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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.