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Finding the Fourth Proportional to 137,907.40, 206,832.06 and 63,006.28

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Solution

The fourth proportional to 137,907.40, 206,832.06 and 63,006.28 is: 94,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,907.40 : 206,832.06 = 63,006.28 : x
  2. Step 2: Convert to fraction form
    137,907.40/206,832.06 = 63,006.28/x
  3. Step 3: Cross multiply
    137,907.40x = 206,832.06 × 63,006.28
  4. Step 4: Simplify right side
    137,907.40x = 13,031,718,685.34
  5. Step 5: Solve for x
    x = 13,031,718,685.34/137,907.40
  6. Step 6: Final answer
    x = 94,496.15

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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.