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Finding the Fourth Proportional to 134,637.99, 201,998 and 63,615.16

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Solution

The fourth proportional to 134,637.99, 201,998 and 63,615.16 is: 95,442.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,637.99 : 201,998 = 63,615.16 : x
  2. Step 2: Convert to fraction form
    134,637.99/201,998 = 63,615.16/x
  3. Step 3: Cross multiply
    134,637.99x = 201,998 × 63,615.16
  4. Step 4: Simplify right side
    134,637.99x = 12,850,135,089.68
  5. Step 5: Solve for x
    x = 12,850,135,089.68/134,637.99
  6. Step 6: Final answer
    x = 95,442.12

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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.