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Finding the Fourth Proportional to 158,159.85, 218,239.07 and 94,484.13

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Solution

The fourth proportional to 158,159.85, 218,239.07 and 94,484.13 is: 130,375.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,159.85 : 218,239.07 = 94,484.13 : x
  2. Step 2: Convert to fraction form
    158,159.85/218,239.07 = 94,484.13/x
  3. Step 3: Cross multiply
    158,159.85x = 218,239.07 × 94,484.13
  4. Step 4: Simplify right side
    158,159.85x = 20,620,128,660.96
  5. Step 5: Solve for x
    x = 20,620,128,660.96/158,159.85
  6. Step 6: Final answer
    x = 130,375.24

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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.