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Finding the Fourth Proportional to 135,510.90, 203,258.16 and 35,668.89

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Solution

The fourth proportional to 135,510.90, 203,258.16 and 35,668.89 is: 53,501.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,510.90 : 203,258.16 = 35,668.89 : x
  2. Step 2: Convert to fraction form
    135,510.90/203,258.16 = 35,668.89/x
  3. Step 3: Cross multiply
    135,510.90x = 203,258.16 × 35,668.89
  4. Step 4: Simplify right side
    135,510.90x = 7,249,992,950.64
  5. Step 5: Solve for x
    x = 7,249,992,950.64/135,510.90
  6. Step 6: Final answer
    x = 53,501.18

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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.