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Finding the Fourth Proportional to 235,250.40, 353,026.80 and 130,144.80

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Solution

The fourth proportional to 235,250.40, 353,026.80 and 130,144.80 is: 195,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,250.40 : 353,026.80 = 130,144.80 : x
  2. Step 2: Convert to fraction form
    235,250.40/353,026.80 = 130,144.80/x
  3. Step 3: Cross multiply
    235,250.40x = 353,026.80 × 130,144.80
  4. Step 4: Simplify right side
    235,250.40x = 45,944,602,280.64
  5. Step 5: Solve for x
    x = 45,944,602,280.64/235,250.40
  6. Step 6: Final answer
    x = 195,300.85

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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.