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Finding the Fourth Proportional to 173,860.64, 260,828.40 and 53,915.16

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Solution

The fourth proportional to 173,860.64, 260,828.40 and 53,915.16 is: 80,884.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,860.64 : 260,828.40 = 53,915.16 : x
  2. Step 2: Convert to fraction form
    173,860.64/260,828.40 = 53,915.16/x
  3. Step 3: Cross multiply
    173,860.64x = 260,828.40 × 53,915.16
  4. Step 4: Simplify right side
    173,860.64x = 14,062,604,918.54
  5. Step 5: Solve for x
    x = 14,062,604,918.54/173,860.64
  6. Step 6: Final answer
    x = 80,884.35

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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.