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Finding the Fourth Proportional to 202,248.20, 303,621.90 and 127,368.20

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Solution

The fourth proportional to 202,248.20, 303,621.90 and 127,368.20 is: 191,209.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,248.20 : 303,621.90 = 127,368.20 : x
  2. Step 2: Convert to fraction form
    202,248.20/303,621.90 = 127,368.20/x
  3. Step 3: Cross multiply
    202,248.20x = 303,621.90 × 127,368.20
  4. Step 4: Simplify right side
    202,248.20x = 38,671,774,883.58
  5. Step 5: Solve for x
    x = 38,671,774,883.58/202,248.20
  6. Step 6: Final answer
    x = 191,209.49

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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.