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Finding the Fourth Proportional to 243,540.72, 365,139.36 and 93,655.08

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Solution

The fourth proportional to 243,540.72, 365,139.36 and 93,655.08 is: 140,416.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,540.72 : 365,139.36 = 93,655.08 : x
  2. Step 2: Convert to fraction form
    243,540.72/365,139.36 = 93,655.08/x
  3. Step 3: Cross multiply
    243,540.72x = 365,139.36 × 93,655.08
  4. Step 4: Simplify right side
    243,540.72x = 34,197,155,971.95
  5. Step 5: Solve for x
    x = 34,197,155,971.95/243,540.72
  6. Step 6: Final answer
    x = 140,416.58

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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.