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Finding the Fourth Proportional to 233,062.79, 321,623.46 and 131,088.22

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Solution

The fourth proportional to 233,062.79, 321,623.46 and 131,088.22 is: 180,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,062.79 : 321,623.46 = 131,088.22 : x
  2. Step 2: Convert to fraction form
    233,062.79/321,623.46 = 131,088.22/x
  3. Step 3: Cross multiply
    233,062.79x = 321,623.46 × 131,088.22
  4. Step 4: Simplify right side
    233,062.79x = 42,161,047,886.71
  5. Step 5: Solve for x
    x = 42,161,047,886.71/233,062.79
  6. Step 6: Final answer
    x = 180,899.96

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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.