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Finding the Fourth Proportional to 59,459.96, 89,095.08 and 31,378.88

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Solution

The fourth proportional to 59,459.96, 89,095.08 and 31,378.88 is: 47,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,459.96 : 89,095.08 = 31,378.88 : x
  2. Step 2: Convert to fraction form
    59,459.96/89,095.08 = 31,378.88/x
  3. Step 3: Cross multiply
    59,459.96x = 89,095.08 × 31,378.88
  4. Step 4: Simplify right side
    59,459.96x = 2,795,703,823.91
  5. Step 5: Solve for x
    x = 2,795,703,823.91/59,459.96
  6. Step 6: Final answer
    x = 47,018.26

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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.