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Finding the Fourth Proportional to 120,869.30, 181,303.95 and 37,763.30

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Solution

The fourth proportional to 120,869.30, 181,303.95 and 37,763.30 is: 56,644.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,869.30 : 181,303.95 = 37,763.30 : x
  2. Step 2: Convert to fraction form
    120,869.30/181,303.95 = 37,763.30/x
  3. Step 3: Cross multiply
    120,869.30x = 181,303.95 × 37,763.30
  4. Step 4: Simplify right side
    120,869.30x = 6,846,635,030.07
  5. Step 5: Solve for x
    x = 6,846,635,030.07/120,869.30
  6. Step 6: Final answer
    x = 56,644.95

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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.