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Finding the Fourth Proportional to 161,846.71, 223,348.50 and 90,225.19

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Solution

The fourth proportional to 161,846.71, 223,348.50 and 90,225.19 is: 124,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,846.71 : 223,348.50 = 90,225.19 : x
  2. Step 2: Convert to fraction form
    161,846.71/223,348.50 = 90,225.19/x
  3. Step 3: Cross multiply
    161,846.71x = 223,348.50 × 90,225.19
  4. Step 4: Simplify right side
    161,846.71x = 20,151,660,848.72
  5. Step 5: Solve for x
    x = 20,151,660,848.72/161,846.71
  6. Step 6: Final answer
    x = 124,510.78

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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.