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Finding the Fourth Proportional to 239,611.80, 359,417.70 and 164,962.20

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Solution

The fourth proportional to 239,611.80, 359,417.70 and 164,962.20 is: 247,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,611.80 : 359,417.70 = 164,962.20 : x
  2. Step 2: Convert to fraction form
    239,611.80/359,417.70 = 164,962.20/x
  3. Step 3: Cross multiply
    239,611.80x = 359,417.70 × 164,962.20
  4. Step 4: Simplify right side
    239,611.80x = 59,290,334,510.94
  5. Step 5: Solve for x
    x = 59,290,334,510.94/239,611.80
  6. Step 6: Final answer
    x = 247,443.30

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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.