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Finding the Fourth Proportional to 175,032.30, 262,548.45 and 140,040.30

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Solution

The fourth proportional to 175,032.30, 262,548.45 and 140,040.30 is: 210,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,032.30 : 262,548.45 = 140,040.30 : x
  2. Step 2: Convert to fraction form
    175,032.30/262,548.45 = 140,040.30/x
  3. Step 3: Cross multiply
    175,032.30x = 262,548.45 × 140,040.30
  4. Step 4: Simplify right side
    175,032.30x = 36,767,363,702.54
  5. Step 5: Solve for x
    x = 36,767,363,702.54/175,032.30
  6. Step 6: Final answer
    x = 210,060.45

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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.