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Finding the Fourth Proportional to 243,801.92, 336,482.52 and 148,290.14

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Solution

The fourth proportional to 243,801.92, 336,482.52 and 148,290.14 is: 204,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,801.92 : 336,482.52 = 148,290.14 : x
  2. Step 2: Convert to fraction form
    243,801.92/336,482.52 = 148,290.14/x
  3. Step 3: Cross multiply
    243,801.92x = 336,482.52 × 148,290.14
  4. Step 4: Simplify right side
    243,801.92x = 49,897,039,998.35
  5. Step 5: Solve for x
    x = 49,897,039,998.35/243,801.92
  6. Step 6: Final answer
    x = 204,662.21

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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.