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Finding the Fourth Proportional to 152,482.25, 210,433.59 and 84,506.64

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Solution

The fourth proportional to 152,482.25, 210,433.59 and 84,506.64 is: 116,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,482.25 : 210,433.59 = 84,506.64 : x
  2. Step 2: Convert to fraction form
    152,482.25/210,433.59 = 84,506.64/x
  3. Step 3: Cross multiply
    152,482.25x = 210,433.59 × 84,506.64
  4. Step 4: Simplify right side
    152,482.25x = 17,783,035,634.04
  5. Step 5: Solve for x
    x = 17,783,035,634.04/152,482.25
  6. Step 6: Final answer
    x = 116,623.65

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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.