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Finding the Fourth Proportional to 124,515.32, 186,827.88 and 65,336.72

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Solution

The fourth proportional to 124,515.32, 186,827.88 and 65,336.72 is: 98,033.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,515.32 : 186,827.88 = 65,336.72 : x
  2. Step 2: Convert to fraction form
    124,515.32/186,827.88 = 65,336.72/x
  3. Step 3: Cross multiply
    124,515.32x = 186,827.88 × 65,336.72
  4. Step 4: Simplify right side
    124,515.32x = 12,206,720,883.75
  5. Step 5: Solve for x
    x = 12,206,720,883.75/124,515.32
  6. Step 6: Final answer
    x = 98,033.89

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1.5x scale

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.