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Finding the Fourth Proportional to 162,265.71, 223,926.11 and 89,666.58

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Solution

The fourth proportional to 162,265.71, 223,926.11 and 89,666.58 is: 123,739.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,265.71 : 223,926.11 = 89,666.58 : x
  2. Step 2: Convert to fraction form
    162,265.71/223,926.11 = 89,666.58/x
  3. Step 3: Cross multiply
    162,265.71x = 223,926.11 × 89,666.58
  4. Step 4: Simplify right side
    162,265.71x = 20,078,688,008.07
  5. Step 5: Solve for x
    x = 20,078,688,008.07/162,265.71
  6. Step 6: Final answer
    x = 123,739.56

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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.