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Finding the Fourth Proportional to 186,337.32, 279,466.78 and 59,988.86

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Solution

The fourth proportional to 186,337.32, 279,466.78 and 59,988.86 is: 89,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,337.32 : 279,466.78 = 59,988.86 : x
  2. Step 2: Convert to fraction form
    186,337.32/279,466.78 = 59,988.86/x
  3. Step 3: Cross multiply
    186,337.32x = 279,466.78 × 59,988.86
  4. Step 4: Simplify right side
    186,337.32x = 16,764,893,540.07
  5. Step 5: Solve for x
    x = 16,764,893,540.07/186,337.32
  6. Step 6: Final answer
    x = 89,970.67

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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.