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Finding the Fourth Proportional to 243,654.70, 336,347.13 and 148,192.06

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Solution

The fourth proportional to 243,654.70, 336,347.13 and 148,192.06 is: 204,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,654.70 : 336,347.13 = 148,192.06 : x
  2. Step 2: Convert to fraction form
    243,654.70/336,347.13 = 148,192.06/x
  3. Step 3: Cross multiply
    243,654.70x = 336,347.13 × 148,192.06
  4. Step 4: Simplify right side
    243,654.70x = 49,843,974,069.79
  5. Step 5: Solve for x
    x = 49,843,974,069.79/243,654.70
  6. Step 6: Final answer
    x = 204,568.08

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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.