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Finding the Fourth Proportional to 202,892.40, 304,265.70 and 103,019.40

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Solution

The fourth proportional to 202,892.40, 304,265.70 and 103,019.40 is: 154,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,892.40 : 304,265.70 = 103,019.40 : x
  2. Step 2: Convert to fraction form
    202,892.40/304,265.70 = 103,019.40/x
  3. Step 3: Cross multiply
    202,892.40x = 304,265.70 × 103,019.40
  4. Step 4: Simplify right side
    202,892.40x = 31,345,269,854.58
  5. Step 5: Solve for x
    x = 31,345,269,854.58/202,892.40
  6. Step 6: Final answer
    x = 154,492.08

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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.