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Finding the Fourth Proportional to 158,627.16, 218,830.02 and 94,952.72

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Solution

The fourth proportional to 158,627.16, 218,830.02 and 94,952.72 is: 130,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,627.16 : 218,830.02 = 94,952.72 : x
  2. Step 2: Convert to fraction form
    158,627.16/218,830.02 = 94,952.72/x
  3. Step 3: Cross multiply
    158,627.16x = 218,830.02 × 94,952.72
  4. Step 4: Simplify right side
    158,627.16x = 20,778,505,616.65
  5. Step 5: Solve for x
    x = 20,778,505,616.65/158,627.16
  6. Step 6: Final answer
    x = 130,989.58

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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.