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Finding the Fourth Proportional to 128,404.08, 176,947.92 and 92,526.30

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Solution

The fourth proportional to 128,404.08, 176,947.92 and 92,526.30 is: 127,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,404.08 : 176,947.92 = 92,526.30 : x
  2. Step 2: Convert to fraction form
    128,404.08/176,947.92 = 92,526.30/x
  3. Step 3: Cross multiply
    128,404.08x = 176,947.92 × 92,526.30
  4. Step 4: Simplify right side
    128,404.08x = 16,372,336,330.30
  5. Step 5: Solve for x
    x = 16,372,336,330.30/128,404.08
  6. Step 6: Final answer
    x = 127,506.36

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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.