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Finding the Fourth Proportional to 115,191.62, 158,966.18 and 64,202.93

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Solution

The fourth proportional to 115,191.62, 158,966.18 and 64,202.93 is: 88,601.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,191.62 : 158,966.18 = 64,202.93 : x
  2. Step 2: Convert to fraction form
    115,191.62/158,966.18 = 64,202.93/x
  3. Step 3: Cross multiply
    115,191.62x = 158,966.18 × 64,202.93
  4. Step 4: Simplify right side
    115,191.62x = 10,206,093,411.06
  5. Step 5: Solve for x
    x = 10,206,093,411.06/115,191.62
  6. Step 6: Final answer
    x = 88,601.01

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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.