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Finding the Fourth Proportional to 235,498.65, 353,303.10 and 77,726.95

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Solution

The fourth proportional to 235,498.65, 353,303.10 and 77,726.95 is: 116,608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,498.65 : 353,303.10 = 77,726.95 : x
  2. Step 2: Convert to fraction form
    235,498.65/353,303.10 = 77,726.95/x
  3. Step 3: Cross multiply
    235,498.65x = 353,303.10 × 77,726.95
  4. Step 4: Simplify right side
    235,498.65x = 27,461,171,505.29
  5. Step 5: Solve for x
    x = 27,461,171,505.29/235,498.65
  6. Step 6: Final answer
    x = 116,608.62

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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.