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Finding the Fourth Proportional to 235,762.92, 353,635.65 and 102,643.47

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Solution

The fourth proportional to 235,762.92, 353,635.65 and 102,643.47 is: 153,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,762.92 : 353,635.65 = 102,643.47 : x
  2. Step 2: Convert to fraction form
    235,762.92/353,635.65 = 102,643.47/x
  3. Step 3: Cross multiply
    235,762.92x = 353,635.65 × 102,643.47
  4. Step 4: Simplify right side
    235,762.92x = 36,298,390,231.71
  5. Step 5: Solve for x
    x = 36,298,390,231.71/235,762.92
  6. Step 6: Final answer
    x = 153,961.40

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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.