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Finding the Fourth Proportional to 158,627.42, 218,830.40 and 94,952.92

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Solution

The fourth proportional to 158,627.42, 218,830.40 and 94,952.92 is: 130,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,627.42 : 218,830.40 = 94,952.92 : x
  2. Step 2: Convert to fraction form
    158,627.42/218,830.40 = 94,952.92/x
  3. Step 3: Cross multiply
    158,627.42x = 218,830.40 × 94,952.92
  4. Step 4: Simplify right side
    158,627.42x = 20,778,585,464.77
  5. Step 5: Solve for x
    x = 20,778,585,464.77/158,627.42
  6. Step 6: Final answer
    x = 130,989.87

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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.