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Finding the Fourth Proportional to 365,104.80, 547,615.68 and 98,886.06

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Solution

The fourth proportional to 365,104.80, 547,615.68 and 98,886.06 is: 148,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,104.80 : 547,615.68 = 98,886.06 : x
  2. Step 2: Convert to fraction form
    365,104.80/547,615.68 = 98,886.06/x
  3. Step 3: Cross multiply
    365,104.80x = 547,615.68 × 98,886.06
  4. Step 4: Simplify right side
    365,104.80x = 54,151,556,989.42
  5. Step 5: Solve for x
    x = 54,151,556,989.42/365,104.80
  6. Step 6: Final answer
    x = 148,317.84

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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.