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Finding the Fourth Proportional to 262,127, 393,090.59 and 93,615.86

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Solution

The fourth proportional to 262,127, 393,090.59 and 93,615.86 is: 140,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,127 : 393,090.59 = 93,615.86 : x
  2. Step 2: Convert to fraction form
    262,127/393,090.59 = 93,615.86/x
  3. Step 3: Cross multiply
    262,127x = 393,090.59 × 93,615.86
  4. Step 4: Simplify right side
    262,127x = 36,799,513,172.68
  5. Step 5: Solve for x
    x = 36,799,513,172.68/262,127
  6. Step 6: Final answer
    x = 140,388.11

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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.