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Finding the Fourth Proportional to 216,148.56, 298,283.84 and 125,526.80

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Solution

The fourth proportional to 216,148.56, 298,283.84 and 125,526.80 is: 173,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,148.56 : 298,283.84 = 125,526.80 : x
  2. Step 2: Convert to fraction form
    216,148.56/298,283.84 = 125,526.80/x
  3. Step 3: Cross multiply
    216,148.56x = 298,283.84 × 125,526.80
  4. Step 4: Simplify right side
    216,148.56x = 37,442,615,926.91
  5. Step 5: Solve for x
    x = 37,442,615,926.91/216,148.56
  6. Step 6: Final answer
    x = 173,226.30

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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.