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Finding the Fourth Proportional to 176,087.52, 264,121.56 and 128,751.12

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Solution

The fourth proportional to 176,087.52, 264,121.56 and 128,751.12 is: 193,119.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,087.52 : 264,121.56 = 128,751.12 : x
  2. Step 2: Convert to fraction form
    176,087.52/264,121.56 = 128,751.12/x
  3. Step 3: Cross multiply
    176,087.52x = 264,121.56 × 128,751.12
  4. Step 4: Simplify right side
    176,087.52x = 34,005,946,666.15
  5. Step 5: Solve for x
    x = 34,005,946,666.15/176,087.52
  6. Step 6: Final answer
    x = 193,119.57

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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.