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Finding the Fourth Proportional to 243,667.32, 336,159.04 and 189,858.92

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Solution

The fourth proportional to 243,667.32, 336,159.04 and 189,858.92 is: 261,925.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,667.32 : 336,159.04 = 189,858.92 : x
  2. Step 2: Convert to fraction form
    243,667.32/336,159.04 = 189,858.92/x
  3. Step 3: Cross multiply
    243,667.32x = 336,159.04 × 189,858.92
  4. Step 4: Simplify right side
    243,667.32x = 63,822,792,282.64
  5. Step 5: Solve for x
    x = 63,822,792,282.64/243,667.32
  6. Step 6: Final answer
    x = 261,925.94

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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.