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Finding the Fourth Proportional to 224,871.70, 310,327.02 and 122,901.48

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Solution

The fourth proportional to 224,871.70, 310,327.02 and 122,901.48 is: 169,606.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,871.70 : 310,327.02 = 122,901.48 : x
  2. Step 2: Convert to fraction form
    224,871.70/310,327.02 = 122,901.48/x
  3. Step 3: Cross multiply
    224,871.70x = 310,327.02 × 122,901.48
  4. Step 4: Simplify right side
    224,871.70x = 38,139,650,041.99
  5. Step 5: Solve for x
    x = 38,139,650,041.99/224,871.70
  6. Step 6: Final answer
    x = 169,606.27

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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.