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Finding the Fourth Proportional to 130,762.46, 179,885.92 and 114,556.79

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Solution

The fourth proportional to 130,762.46, 179,885.92 and 114,556.79 is: 157,592.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,762.46 : 179,885.92 = 114,556.79 : x
  2. Step 2: Convert to fraction form
    130,762.46/179,885.92 = 114,556.79/x
  3. Step 3: Cross multiply
    130,762.46x = 179,885.92 × 114,556.79
  4. Step 4: Simplify right side
    130,762.46x = 20,607,152,375.58
  5. Step 5: Solve for x
    x = 20,607,152,375.58/130,762.46
  6. Step 6: Final answer
    x = 157,592.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.