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Finding the Fourth Proportional to 237,052.60, 355,630.10 and 70,857.40

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Solution

The fourth proportional to 237,052.60, 355,630.10 and 70,857.40 is: 106,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,052.60 : 355,630.10 = 70,857.40 : x
  2. Step 2: Convert to fraction form
    237,052.60/355,630.10 = 70,857.40/x
  3. Step 3: Cross multiply
    237,052.60x = 355,630.10 × 70,857.40
  4. Step 4: Simplify right side
    237,052.60x = 25,199,024,247.74
  5. Step 5: Solve for x
    x = 25,199,024,247.74/237,052.60
  6. Step 6: Final answer
    x = 106,301.40

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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.