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Finding the Fourth Proportional to 225,069.48, 310,583.70 and 124,461

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Solution

The fourth proportional to 225,069.48, 310,583.70 and 124,461 is: 171,749.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,069.48 : 310,583.70 = 124,461 : x
  2. Step 2: Convert to fraction form
    225,069.48/310,583.70 = 124,461/x
  3. Step 3: Cross multiply
    225,069.48x = 310,583.70 × 124,461
  4. Step 4: Simplify right side
    225,069.48x = 38,655,557,885.70
  5. Step 5: Solve for x
    x = 38,655,557,885.70/225,069.48
  6. Step 6: Final answer
    x = 171,749.44

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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.