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Finding the Fourth Proportional to 218,756.16, 301,883.76 and 118,154.16

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Solution

The fourth proportional to 218,756.16, 301,883.76 and 118,154.16 is: 163,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,756.16 : 301,883.76 = 118,154.16 : x
  2. Step 2: Convert to fraction form
    218,756.16/301,883.76 = 118,154.16/x
  3. Step 3: Cross multiply
    218,756.16x = 301,883.76 × 118,154.16
  4. Step 4: Simplify right side
    218,756.16x = 35,668,822,080.44
  5. Step 5: Solve for x
    x = 35,668,822,080.44/218,756.16
  6. Step 6: Final answer
    x = 163,052.88

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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.