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Finding the Fourth Proportional to 225,024.78, 310,533.40 and 124,422.78

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Solution

The fourth proportional to 225,024.78, 310,533.40 and 124,422.78 is: 171,703.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,024.78 : 310,533.40 = 124,422.78 : x
  2. Step 2: Convert to fraction form
    225,024.78/310,533.40 = 124,422.78/x
  3. Step 3: Cross multiply
    225,024.78x = 310,533.40 × 124,422.78
  4. Step 4: Simplify right side
    225,024.78x = 38,637,428,910.85
  5. Step 5: Solve for x
    x = 38,637,428,910.85/225,024.78
  6. Step 6: Final answer
    x = 171,703.00

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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.