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Finding the Fourth Proportional to 237,213.60, 355,820.76 and 59,720.64

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Solution

The fourth proportional to 237,213.60, 355,820.76 and 59,720.64 is: 89,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,213.60 : 355,820.76 = 59,720.64 : x
  2. Step 2: Convert to fraction form
    237,213.60/355,820.76 = 59,720.64/x
  3. Step 3: Cross multiply
    237,213.60x = 355,820.76 × 59,720.64
  4. Step 4: Simplify right side
    237,213.60x = 21,249,843,512.49
  5. Step 5: Solve for x
    x = 21,249,843,512.49/237,213.60
  6. Step 6: Final answer
    x = 89,581.05

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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.