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Finding the Fourth Proportional to 153,251.27, 211,483.47 and 88,723.22

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Solution

The fourth proportional to 153,251.27, 211,483.47 and 88,723.22 is: 122,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,251.27 : 211,483.47 = 88,723.22 : x
  2. Step 2: Convert to fraction form
    153,251.27/211,483.47 = 88,723.22/x
  3. Step 3: Cross multiply
    153,251.27x = 211,483.47 × 88,723.22
  4. Step 4: Simplify right side
    153,251.27x = 18,763,494,435.17
  5. Step 5: Solve for x
    x = 18,763,494,435.17/153,251.27
  6. Step 6: Final answer
    x = 122,436.14

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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.