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Finding the Fourth Proportional to 114,482.62, 158,064.21 and 71,527.51

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Solution

The fourth proportional to 114,482.62, 158,064.21 and 71,527.51 is: 98,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,482.62 : 158,064.21 = 71,527.51 : x
  2. Step 2: Convert to fraction form
    114,482.62/158,064.21 = 71,527.51/x
  3. Step 3: Cross multiply
    114,482.62x = 158,064.21 × 71,527.51
  4. Step 4: Simplify right side
    114,482.62x = 11,305,938,669.89
  5. Step 5: Solve for x
    x = 11,305,938,669.89/114,482.62
  6. Step 6: Final answer
    x = 98,756.82

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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.