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Finding the Fourth Proportional to 130,329.92, 195,511.80 and 36,837.92

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Solution

The fourth proportional to 130,329.92, 195,511.80 and 36,837.92 is: 55,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,329.92 : 195,511.80 = 36,837.92 : x
  2. Step 2: Convert to fraction form
    130,329.92/195,511.80 = 36,837.92/x
  3. Step 3: Cross multiply
    130,329.92x = 195,511.80 × 36,837.92
  4. Step 4: Simplify right side
    130,329.92x = 7,202,248,047.46
  5. Step 5: Solve for x
    x = 7,202,248,047.46/130,329.92
  6. Step 6: Final answer
    x = 55,261.66

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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.