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Finding the Fourth Proportional to 235,444.82, 353,129.46 and 64,626.66

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Solution

The fourth proportional to 235,444.82, 353,129.46 and 64,626.66 is: 96,929.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,444.82 : 353,129.46 = 64,626.66 : x
  2. Step 2: Convert to fraction form
    235,444.82/353,129.46 = 64,626.66/x
  3. Step 3: Cross multiply
    235,444.82x = 353,129.46 × 64,626.66
  4. Step 4: Simplify right side
    235,444.82x = 22,821,577,547.40
  5. Step 5: Solve for x
    x = 22,821,577,547.40/235,444.82
  6. Step 6: Final answer
    x = 96,929.62

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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.