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Finding the Fourth Proportional to 125,470.34, 188,254.47 and 55,300.22

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Solution

The fourth proportional to 125,470.34, 188,254.47 and 55,300.22 is: 82,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,470.34 : 188,254.47 = 55,300.22 : x
  2. Step 2: Convert to fraction form
    125,470.34/188,254.47 = 55,300.22/x
  3. Step 3: Cross multiply
    125,470.34x = 188,254.47 × 55,300.22
  4. Step 4: Simplify right side
    125,470.34x = 10,410,513,606.98
  5. Step 5: Solve for x
    x = 10,410,513,606.98/125,470.34
  6. Step 6: Final answer
    x = 82,971.91

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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.