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Finding the Fourth Proportional to 202,281.60, 303,616.80 and 102,554.40

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Solution

The fourth proportional to 202,281.60, 303,616.80 and 102,554.40 is: 153,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,281.60 : 303,616.80 = 102,554.40 : x
  2. Step 2: Convert to fraction form
    202,281.60/303,616.80 = 102,554.40/x
  3. Step 3: Cross multiply
    202,281.60x = 303,616.80 × 102,554.40
  4. Step 4: Simplify right side
    202,281.60x = 31,137,238,753.92
  5. Step 5: Solve for x
    x = 31,137,238,753.92/202,281.60
  6. Step 6: Final answer
    x = 153,930.16

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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.