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Finding the Fourth Proportional to 243,654.98, 336,154.64 and 146,880.23

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Solution

The fourth proportional to 243,654.98, 336,154.64 and 146,880.23 is: 202,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,654.98 : 336,154.64 = 146,880.23 : x
  2. Step 2: Convert to fraction form
    243,654.98/336,154.64 = 146,880.23/x
  3. Step 3: Cross multiply
    243,654.98x = 336,154.64 × 146,880.23
  4. Step 4: Simplify right side
    243,654.98x = 49,374,472,046.35
  5. Step 5: Solve for x
    x = 49,374,472,046.35/243,654.98
  6. Step 6: Final answer
    x = 202,640.93

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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.