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Finding the Fourth Proportional to 125,896.40, 176,566 and 125,896.40

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Solution

The fourth proportional to 125,896.40, 176,566 and 125,896.40 is: 176,566

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,896.40 : 176,566 = 125,896.40 : x
  2. Step 2: Convert to fraction form
    125,896.40/176,566 = 125,896.40/x
  3. Step 3: Cross multiply
    125,896.40x = 176,566 × 125,896.40
  4. Step 4: Simplify right side
    125,896.40x = 22,229,023,762.40
  5. Step 5: Solve for x
    x = 22,229,023,762.40/125,896.40
  6. Step 6: Final answer
    x = 176,566

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.