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Finding the Fourth Proportional to 176,607.06, 264,721.86 and 128,460.24

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Solution

The fourth proportional to 176,607.06, 264,721.86 and 128,460.24 is: 192,553.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,607.06 : 264,721.86 = 128,460.24 : x
  2. Step 2: Convert to fraction form
    176,607.06/264,721.86 = 128,460.24/x
  3. Step 3: Cross multiply
    176,607.06x = 264,721.86 × 128,460.24
  4. Step 4: Simplify right side
    176,607.06x = 34,006,233,668.85
  5. Step 5: Solve for x
    x = 34,006,233,668.85/176,607.06
  6. Step 6: Final answer
    x = 192,553.08

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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.