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Finding the Fourth Proportional to 155,475.71, 233,230.22 and 43,156.40

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Solution

The fourth proportional to 155,475.71, 233,230.22 and 43,156.40 is: 64,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,475.71 : 233,230.22 = 43,156.40 : x
  2. Step 2: Convert to fraction form
    155,475.71/233,230.22 = 43,156.40/x
  3. Step 3: Cross multiply
    155,475.71x = 233,230.22 × 43,156.40
  4. Step 4: Simplify right side
    155,475.71x = 10,065,376,191.22
  5. Step 5: Solve for x
    x = 10,065,376,191.22/155,475.71
  6. Step 6: Final answer
    x = 64,739.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.