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Finding the Fourth Proportional to 115,277.99, 172,915.76 and 29,888.39

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Solution

The fourth proportional to 115,277.99, 172,915.76 and 29,888.39 is: 44,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,277.99 : 172,915.76 = 29,888.39 : x
  2. Step 2: Convert to fraction form
    115,277.99/172,915.76 = 29,888.39/x
  3. Step 3: Cross multiply
    115,277.99x = 172,915.76 × 29,888.39
  4. Step 4: Simplify right side
    115,277.99x = 5,168,174,179.04
  5. Step 5: Solve for x
    x = 5,168,174,179.04/115,277.99
  6. Step 6: Final answer
    x = 44,832.27

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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.