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Finding the Fourth Proportional to 162,233.65, 223,881.12 and 89,636.32

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Solution

The fourth proportional to 162,233.65, 223,881.12 and 89,636.32 is: 123,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,233.65 : 223,881.12 = 89,636.32 : x
  2. Step 2: Convert to fraction form
    162,233.65/223,881.12 = 89,636.32/x
  3. Step 3: Cross multiply
    162,233.65x = 223,881.12 × 89,636.32
  4. Step 4: Simplify right side
    162,233.65x = 20,067,878,594.87
  5. Step 5: Solve for x
    x = 20,067,878,594.87/162,233.65
  6. Step 6: Final answer
    x = 123,697.39

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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.