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Finding the Fourth Proportional to 155,164.39, 214,127.04 and 88,096.39

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Solution

The fourth proportional to 155,164.39, 214,127.04 and 88,096.39 is: 121,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,164.39 : 214,127.04 = 88,096.39 : x
  2. Step 2: Convert to fraction form
    155,164.39/214,127.04 = 88,096.39/x
  3. Step 3: Cross multiply
    155,164.39x = 214,127.04 × 88,096.39
  4. Step 4: Simplify right side
    155,164.39x = 18,863,819,225.39
  5. Step 5: Solve for x
    x = 18,863,819,225.39/155,164.39
  6. Step 6: Final answer
    x = 121,573.12

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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.