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Finding the Fourth Proportional to 124,432.64, 186,573.88 and 49,564.32

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Solution

The fourth proportional to 124,432.64, 186,573.88 and 49,564.32 is: 74,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,432.64 : 186,573.88 = 49,564.32 : x
  2. Step 2: Convert to fraction form
    124,432.64/186,573.88 = 49,564.32/x
  3. Step 3: Cross multiply
    124,432.64x = 186,573.88 × 49,564.32
  4. Step 4: Simplify right side
    124,432.64x = 9,247,407,491.96
  5. Step 5: Solve for x
    x = 9,247,407,491.96/124,432.64
  6. Step 6: Final answer
    x = 74,316.57

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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.