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Finding the Fourth Proportional to 306,521.67, 459,848.67 and 93,306.25

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Solution

The fourth proportional to 306,521.67, 459,848.67 and 93,306.25 is: 139,979.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,521.67 : 459,848.67 = 93,306.25 : x
  2. Step 2: Convert to fraction form
    306,521.67/459,848.67 = 93,306.25/x
  3. Step 3: Cross multiply
    306,521.67x = 459,848.67 × 93,306.25
  4. Step 4: Simplify right side
    306,521.67x = 42,906,754,965.19
  5. Step 5: Solve for x
    x = 42,906,754,965.19/306,521.67
  6. Step 6: Final answer
    x = 139,979.52

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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.