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Finding the Fourth Proportional to 233,106.80, 349,660.20 and 99,964.40

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Solution

The fourth proportional to 233,106.80, 349,660.20 and 99,964.40 is: 149,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,106.80 : 349,660.20 = 99,964.40 : x
  2. Step 2: Convert to fraction form
    233,106.80/349,660.20 = 99,964.40/x
  3. Step 3: Cross multiply
    233,106.80x = 349,660.20 × 99,964.40
  4. Step 4: Simplify right side
    233,106.80x = 34,953,572,096.88
  5. Step 5: Solve for x
    x = 34,953,572,096.88/233,106.80
  6. Step 6: Final answer
    x = 149,946.60

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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.