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Finding the Fourth Proportional to 130,775.34, 196,192.08 and 47,669.34

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Solution

The fourth proportional to 130,775.34, 196,192.08 and 47,669.34 is: 71,514.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,775.34 : 196,192.08 = 47,669.34 : x
  2. Step 2: Convert to fraction form
    130,775.34/196,192.08 = 47,669.34/x
  3. Step 3: Cross multiply
    130,775.34x = 196,192.08 × 47,669.34
  4. Step 4: Simplify right side
    130,775.34x = 9,352,346,966.83
  5. Step 5: Solve for x
    x = 9,352,346,966.83/130,775.34
  6. Step 6: Final answer
    x = 71,514.61

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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.