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Finding the Fourth Proportional to 212,041.48, 292,659.80 and 125,983.90

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Solution

The fourth proportional to 212,041.48, 292,659.80 and 125,983.90 is: 173,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,041.48 : 292,659.80 = 125,983.90 : x
  2. Step 2: Convert to fraction form
    212,041.48/292,659.80 = 125,983.90/x
  3. Step 3: Cross multiply
    212,041.48x = 292,659.80 × 125,983.90
  4. Step 4: Simplify right side
    212,041.48x = 36,870,422,977.22
  5. Step 5: Solve for x
    x = 36,870,422,977.22/212,041.48
  6. Step 6: Final answer
    x = 173,883.07

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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.