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Finding the Fourth Proportional to 235,609.04, 353,526.92 and 117,290.72

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Solution

The fourth proportional to 235,609.04, 353,526.92 and 117,290.72 is: 175,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,609.04 : 353,526.92 = 117,290.72 : x
  2. Step 2: Convert to fraction form
    235,609.04/353,526.92 = 117,290.72/x
  3. Step 3: Cross multiply
    235,609.04x = 353,526.92 × 117,290.72
  4. Step 4: Simplify right side
    235,609.04x = 41,465,426,986.18
  5. Step 5: Solve for x
    x = 41,465,426,986.18/235,609.04
  6. Step 6: Final answer
    x = 175,992.51

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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.