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Finding the Fourth Proportional to 98,915.67, 136,503.44 and 53,594.80

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Solution

The fourth proportional to 98,915.67, 136,503.44 and 53,594.80 is: 73,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,915.67 : 136,503.44 = 53,594.80 : x
  2. Step 2: Convert to fraction form
    98,915.67/136,503.44 = 53,594.80/x
  3. Step 3: Cross multiply
    98,915.67x = 136,503.44 × 53,594.80
  4. Step 4: Simplify right side
    98,915.67x = 7,315,874,566.11
  5. Step 5: Solve for x
    x = 7,315,874,566.11/98,915.67
  6. Step 6: Final answer
    x = 73,960.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.