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Finding the Fourth Proportional to 173,144.72, 239,066.28 and 111,927.12

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Solution

The fourth proportional to 173,144.72, 239,066.28 and 111,927.12 is: 154,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,144.72 : 239,066.28 = 111,927.12 : x
  2. Step 2: Convert to fraction form
    173,144.72/239,066.28 = 111,927.12/x
  3. Step 3: Cross multiply
    173,144.72x = 239,066.28 × 111,927.12
  4. Step 4: Simplify right side
    173,144.72x = 26,758,000,209.51
  5. Step 5: Solve for x
    x = 26,758,000,209.51/173,144.72
  6. Step 6: Final answer
    x = 154,541.24

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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.